Merge

hotspot/agent/src/share/classes/sun/jvm/hotspot/memory/SystemDictionary.java

@@ -63,12 +63,12 @@ public class SystemDictionary {
     javaSystemLoaderField = type.getOopField("_java_system_loader");
     nofBuckets = db.lookupIntConstant("SystemDictionary::_nof_buckets").intValue();
 
-    objectKlassField = type.getOopField(WK_KLASS("object_klass"));
+    objectKlassField = type.getOopField(WK_KLASS("Object_klass"));
-    classLoaderKlassField = type.getOopField(WK_KLASS("classloader_klass"));
+    classLoaderKlassField = type.getOopField(WK_KLASS("ClassLoader_klass"));
-    stringKlassField = type.getOopField(WK_KLASS("string_klass"));
+    stringKlassField = type.getOopField(WK_KLASS("String_klass"));
-    systemKlassField = type.getOopField(WK_KLASS("system_klass"));
+    systemKlassField = type.getOopField(WK_KLASS("System_klass"));
-    threadKlassField = type.getOopField(WK_KLASS("thread_klass"));
+    threadKlassField = type.getOopField(WK_KLASS("Thread_klass"));
-    threadGroupKlassField = type.getOopField(WK_KLASS("threadGroup_klass"));
+    threadGroupKlassField = type.getOopField(WK_KLASS("ThreadGroup_klass"));
   }
 
   // This WK functions must follow the definitions in systemDictionary.hpp:

hotspot/src/cpu/sparc/vm/sparc.ad

@@ -1885,6 +1885,10 @@ RegMask Matcher::modL_proj_mask() {
   return RegMask();
 }
 
+const RegMask Matcher::method_handle_invoke_SP_save_mask() {
+  return RegMask();
+}
+
 %}
 
 

hotspot/src/cpu/x86/vm/frame_x86.cpp

@@ -330,6 +330,14 @@ frame frame::sender_for_interpreter_frame(RegisterMap* map) const {
   // This is the sp before any possible extension (adapter/locals).
   intptr_t* unextended_sp = interpreter_frame_sender_sp();
 
+  address sender_pc = this->sender_pc();
+  CodeBlob* sender_cb = CodeCache::find_blob_unsafe(sender_pc);
+  assert(sender_cb, "sanity");
+  nmethod* sender_nm = sender_cb->as_nmethod_or_null();
+  if (sender_nm != NULL && sender_nm->is_method_handle_return(sender_pc)) {
+    unextended_sp = (intptr_t*) at(link_offset);
+  }
+
   // The interpreter and compiler(s) always save EBP/RBP in a known
   // location on entry. We must record where that location is
   // so this if EBP/RBP was live on callout from c2 we can find
@@ -352,7 +360,7 @@ frame frame::sender_for_interpreter_frame(RegisterMap* map) const {
 #endif // AMD64
   }
 #endif /* COMPILER2 */
-  return frame(sp, unextended_sp, link(), sender_pc());
+  return frame(sp, unextended_sp, link(), sender_pc);
 }
 
 
@@ -375,6 +383,18 @@ frame frame::sender_for_compiled_frame(RegisterMap* map) const {
 
   intptr_t *saved_fp = (intptr_t*)*(sender_sp - frame::sender_sp_offset);
 
+  intptr_t* unextended_sp = sender_sp;
+  // If we are returning to a compiled method handle call site,
+  // the saved_fp will in fact be a saved value of the unextended SP.
+  // The simplest way to tell whether we are returning to such a call
+  // site is as follows:
+  CodeBlob* sender_cb = CodeCache::find_blob_unsafe(sender_pc);
+  assert(sender_cb, "sanity");
+  nmethod* sender_nm = sender_cb->as_nmethod_or_null();
+  if (sender_nm != NULL && sender_nm->is_method_handle_return(sender_pc)) {
+    unextended_sp = saved_fp;
+  }
+
   if (map->update_map()) {
     // Tell GC to use argument oopmaps for some runtime stubs that need it.
     // For C1, the runtime stub might not have oop maps, so set this flag
@@ -399,7 +419,7 @@ frame frame::sender_for_compiled_frame(RegisterMap* map) const {
   }
 
   assert(sender_sp != sp(), "must have changed");
-  return frame(sender_sp, saved_fp, sender_pc);
+  return frame(sender_sp, unextended_sp, saved_fp, sender_pc);
 }
 
 frame frame::sender(RegisterMap* map) const {

hotspot/src/cpu/x86/vm/frame_x86.inline.hpp

@@ -225,11 +225,12 @@ inline methodOop* frame::interpreter_frame_method_addr() const {
 // top of expression stack
 inline intptr_t* frame::interpreter_frame_tos_address() const {
   intptr_t* last_sp = interpreter_frame_last_sp();
-  if (last_sp == NULL ) {
+  if (last_sp == NULL) {
     return sp();
   } else {
-    // sp() may have been extended by an adapter
+    // sp() may have been extended or shrunk by an adapter.  At least
-    assert(last_sp < fp() && last_sp >= sp(), "bad tos");
+    // check that we don't fall behind the legal region.
+    assert(last_sp < (intptr_t*) interpreter_frame_monitor_begin(), "bad tos");
     return last_sp;
   }
 }

hotspot/src/cpu/x86/vm/methodHandles_x86.cpp

@@ -65,9 +65,9 @@ static void verify_argslot(MacroAssembler* _masm, Register rax_argslot,
   // Verify that argslot lies within (rsp, rbp].
   Label L_ok, L_bad;
   __ cmpptr(rax_argslot, rbp);
-  __ jcc(Assembler::above, L_bad);
+  __ jccb(Assembler::above, L_bad);
   __ cmpptr(rsp, rax_argslot);
-  __ jcc(Assembler::below, L_ok);
+  __ jccb(Assembler::below, L_ok);
   __ bind(L_bad);
   __ stop(error_message);
   __ bind(L_ok);
@@ -136,9 +136,9 @@ void MethodHandles::insert_arg_slots(MacroAssembler* _masm,
   if (arg_slots.is_register()) {
     Label L_ok, L_bad;
     __ cmpptr(arg_slots.as_register(), (int32_t) NULL_WORD);
-    __ jcc(Assembler::greater, L_bad);
+    __ jccb(Assembler::greater, L_bad);
     __ testl(arg_slots.as_register(), -stack_move_unit() - 1);
-    __ jcc(Assembler::zero, L_ok);
+    __ jccb(Assembler::zero, L_ok);
     __ bind(L_bad);
     __ stop("assert arg_slots <= 0 and clear low bits");
     __ bind(L_ok);
@@ -173,7 +173,7 @@ void MethodHandles::insert_arg_slots(MacroAssembler* _masm,
     __ movptr(Address(rdx_temp, arg_slots, Address::times_ptr), rbx_temp);
     __ addptr(rdx_temp, wordSize);
     __ cmpptr(rdx_temp, rax_argslot);
-    __ jcc(Assembler::less, loop);
+    __ jccb(Assembler::less, loop);
   }
 
   // Now move the argslot down, to point to the opened-up space.
@@ -211,9 +211,9 @@ void MethodHandles::remove_arg_slots(MacroAssembler* _masm,
     Label L_ok, L_bad;
     __ lea(rbx_temp, Address(rax_argslot, arg_slots, Address::times_ptr));
     __ cmpptr(rbx_temp, rbp);
-    __ jcc(Assembler::above, L_bad);
+    __ jccb(Assembler::above, L_bad);
     __ cmpptr(rsp, rax_argslot);
-    __ jcc(Assembler::below, L_ok);
+    __ jccb(Assembler::below, L_ok);
     __ bind(L_bad);
     __ stop("deleted argument(s) must fall within current frame");
     __ bind(L_ok);
@@ -221,9 +221,9 @@ void MethodHandles::remove_arg_slots(MacroAssembler* _masm,
   if (arg_slots.is_register()) {
     Label L_ok, L_bad;
     __ cmpptr(arg_slots.as_register(), (int32_t) NULL_WORD);
-    __ jcc(Assembler::less, L_bad);
+    __ jccb(Assembler::less, L_bad);
     __ testl(arg_slots.as_register(), -stack_move_unit() - 1);
-    __ jcc(Assembler::zero, L_ok);
+    __ jccb(Assembler::zero, L_ok);
     __ bind(L_bad);
     __ stop("assert arg_slots >= 0 and clear low bits");
     __ bind(L_ok);
@@ -258,7 +258,7 @@ void MethodHandles::remove_arg_slots(MacroAssembler* _masm,
     __ movptr(Address(rdx_temp, arg_slots, Address::times_ptr), rbx_temp);
     __ addptr(rdx_temp, -wordSize);
     __ cmpptr(rdx_temp, rsp);
-    __ jcc(Assembler::greaterEqual, loop);
+    __ jccb(Assembler::greaterEqual, loop);
   }
 
   // Now move the argslot up, to point to the just-copied block.
@@ -268,8 +268,9 @@ void MethodHandles::remove_arg_slots(MacroAssembler* _masm,
 }
 
 #ifndef PRODUCT
+extern "C" void print_method_handle(oop mh);
 void trace_method_handle_stub(const char* adaptername,
-                              oopDesc* mh,
+                              oop mh,
                               intptr_t* entry_sp,
                               intptr_t* saved_sp,
                               intptr_t* saved_bp) {
@@ -280,6 +281,7 @@ void trace_method_handle_stub(const char* adaptername,
          adaptername, (intptr_t)mh, (intptr_t)entry_sp, (intptr_t)(saved_sp - entry_sp), (intptr_t)(base_sp - last_sp), (intptr_t)saved_bp);
   if (last_sp != saved_sp)
     printf("*** last_sp="INTPTR_FORMAT"\n", (intptr_t)last_sp);
+  if (Verbose)  print_method_handle(mh);
 }
 #endif //PRODUCT
 
@@ -382,11 +384,11 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
       // FIXME: fill in _raise_exception_method with a suitable sun.dyn method
       __ movptr(rbx_method, ExternalAddress((address) &_raise_exception_method));
       __ testptr(rbx_method, rbx_method);
-      __ jcc(Assembler::zero, no_method);
+      __ jccb(Assembler::zero, no_method);
       int jobject_oop_offset = 0;
       __ movptr(rbx_method, Address(rbx_method, jobject_oop_offset));  // dereference the jobject
       __ testptr(rbx_method, rbx_method);
-      __ jcc(Assembler::zero, no_method);
+      __ jccb(Assembler::zero, no_method);
       __ verify_oop(rbx_method);
       __ push(rdi_pc);          // and restore caller PC
       __ jmp(rbx_method_fie);
@@ -533,16 +535,15 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
       if (arg_type == T_OBJECT) {
         __ movptr(Address(rax_argslot, 0), rbx_temp);
       } else {
-        __ load_sized_value(rbx_temp, prim_value_addr,
+        __ load_sized_value(rdx_temp, prim_value_addr,
                             type2aelembytes(arg_type), is_signed_subword_type(arg_type));
-        __ movptr(Address(rax_argslot, 0), rbx_temp);
+        __ movptr(Address(rax_argslot, 0), rdx_temp);
 #ifndef _LP64
         if (arg_slots == 2) {
-          __ movl(rbx_temp, prim_value_addr.plus_disp(wordSize));
+          __ movl(rdx_temp, prim_value_addr.plus_disp(wordSize));
-          __ movl(Address(rax_argslot, Interpreter::stackElementSize()), rbx_temp);
+          __ movl(Address(rax_argslot, Interpreter::stackElementSize()), rdx_temp);
         }
 #endif //_LP64
-        break;
       }
 
       if (direct_to_method) {
@@ -584,7 +585,7 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
       Label done;
       __ movptr(rdx_temp, vmarg);
       __ testl(rdx_temp, rdx_temp);
-      __ jcc(Assembler::zero, done);          // no cast if null
+      __ jccb(Assembler::zero, done);         // no cast if null
       __ load_klass(rdx_temp, rdx_temp);
 
       // live at this point:
@@ -675,24 +676,24 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
       // (now we are done with the old MH)
 
       // original 32-bit vmdata word must be of this form:
-      //    | MBZ:16 | signBitCount:8 | srcDstTypes:8 | conversionOp:8 |
+      //    | MBZ:6 | signBitCount:8 | srcDstTypes:8 | conversionOp:8 |
-      __ xchgl(rcx, rbx_vminfo);                // free rcx for shifts
+      __ xchgptr(rcx, rbx_vminfo);                // free rcx for shifts
       __ shll(rdx_temp /*, rcx*/);
       Label zero_extend, done;
       __ testl(rcx, CONV_VMINFO_SIGN_FLAG);
-      __ jcc(Assembler::zero, zero_extend);
+      __ jccb(Assembler::zero, zero_extend);
 
       // this path is taken for int->byte, int->short
       __ sarl(rdx_temp /*, rcx*/);
-      __ jmp(done);
+      __ jmpb(done);
 
       __ bind(zero_extend);
       // this is taken for int->char
       __ shrl(rdx_temp /*, rcx*/);
 
       __ bind(done);
-      __ movptr(vmarg, rdx_temp);
+      __ movl(vmarg, rdx_temp);
-      __ xchgl(rcx, rbx_vminfo);                // restore rcx_recv
+      __ xchgptr(rcx, rbx_vminfo);                // restore rcx_recv
 
       __ jump_to_method_handle_entry(rcx_recv, rdx_temp);
     }
@@ -861,7 +862,7 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
             // Verify that argslot > destslot, by at least swap_bytes.
             Label L_ok;
             __ cmpptr(rax_argslot, rbx_destslot);
-            __ jcc(Assembler::aboveEqual, L_ok);
+            __ jccb(Assembler::aboveEqual, L_ok);
             __ stop("source must be above destination (upward rotation)");
             __ bind(L_ok);
           }
@@ -877,7 +878,7 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
           __ movptr(Address(rax_argslot, swap_bytes), rdx_temp);
           __ addptr(rax_argslot, -wordSize);
           __ cmpptr(rax_argslot, rbx_destslot);
-          __ jcc(Assembler::aboveEqual, loop);
+          __ jccb(Assembler::aboveEqual, loop);
         } else {
           __ addptr(rax_argslot, swap_bytes);
 #ifdef ASSERT
@@ -885,7 +886,7 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
             // Verify that argslot < destslot, by at least swap_bytes.
             Label L_ok;
             __ cmpptr(rax_argslot, rbx_destslot);
-            __ jcc(Assembler::belowEqual, L_ok);
+            __ jccb(Assembler::belowEqual, L_ok);
             __ stop("source must be below destination (downward rotation)");
             __ bind(L_ok);
           }
@@ -901,7 +902,7 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
           __ movptr(Address(rax_argslot, -swap_bytes), rdx_temp);
           __ addptr(rax_argslot, wordSize);
           __ cmpptr(rax_argslot, rbx_destslot);
-          __ jcc(Assembler::belowEqual, loop);
+          __ jccb(Assembler::belowEqual, loop);
         }
 
         // pop the original first chunk into the destination slot, now free
@@ -967,7 +968,7 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
       __ addptr(rax_argslot, wordSize);
       __ addptr(rdx_newarg, wordSize);
       __ cmpptr(rdx_newarg, rbx_oldarg);
-      __ jcc(Assembler::less, loop);
+      __ jccb(Assembler::less, loop);
 
       __ pop(rdi);              // restore temp
 
@@ -1119,7 +1120,7 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
         }
         __ addptr(rax_argslot, Interpreter::stackElementSize());
         __ cmpptr(rax_argslot, rdx_argslot_limit);
-        __ jcc(Assembler::less, loop);
+        __ jccb(Assembler::less, loop);
       } else if (length_constant == 0) {
         __ bind(skip_array_check);
         // nothing to copy

hotspot/src/cpu/x86/vm/runtime_x86_32.cpp

@@ -43,11 +43,11 @@ ExceptionBlob*     OptoRuntime::_exception_blob;
 // This code is entered with a jmp.
 //
 // Arguments:
-//   rax,: exception oop
+//   rax: exception oop
 //   rdx: exception pc
 //
 // Results:
-//   rax,: exception oop
+//   rax: exception oop
 //   rdx: exception pc in caller or ???
 //   destination: exception handler of caller
 //
@@ -113,17 +113,17 @@ void OptoRuntime::generate_exception_blob() {
   __ addptr(rsp, return_off * wordSize);   // Epilog!
   __ pop(rdx); // Exception pc
 
+  // rax: exception handler for given <exception oop/exception pc>
 
-  // rax,: exception handler for given <exception oop/exception pc>
+  // Restore SP from BP if the exception PC is a MethodHandle call.
+  __ cmpl(Address(rcx, JavaThread::is_method_handle_exception_offset()), 0);
+  __ cmovptr(Assembler::notEqual, rsp, rbp);
 
   // We have a handler in rax, (could be deopt blob)
   // rdx - throwing pc, deopt blob will need it.
 
   __ push(rax);
 
-  // rcx contains handler address
-
-  __ get_thread(rcx);           // TLS
   // Get the exception
   __ movptr(rax, Address(rcx, JavaThread::exception_oop_offset()));
   // Get the exception pc in case we are deoptimized
@@ -137,7 +137,7 @@ void OptoRuntime::generate_exception_blob() {
 
   __ pop(rcx);
 
-  // rax,: exception oop
+  // rax: exception oop
   // rcx: exception handler
   // rdx: exception pc
   __ jmp (rcx);

hotspot/src/cpu/x86/vm/sharedRuntime_x86_64.cpp

@@ -638,6 +638,10 @@ static void gen_i2c_adapter(MacroAssembler *masm,
 
   __ movptr(rax, Address(rsp, 0));
 
+  // Must preserve original SP for loading incoming arguments because
+  // we need to align the outgoing SP for compiled code.
+  __ movptr(r11, rsp);
+
   // Cut-out for having no stack args.  Since up to 2 int/oop args are passed
   // in registers, we will occasionally have no stack args.
   int comp_words_on_stack = 0;
@@ -661,6 +665,10 @@ static void gen_i2c_adapter(MacroAssembler *masm,
   // as far as the placement of the call instruction
   __ push(rax);
 
+  // Put saved SP in another register
+  const Register saved_sp = rax;
+  __ movptr(saved_sp, r11);
+
   // Will jump to the compiled code just as if compiled code was doing it.
   // Pre-load the register-jump target early, to schedule it better.
   __ movptr(r11, Address(rbx, in_bytes(methodOopDesc::from_compiled_offset())));
@@ -680,11 +688,7 @@ static void gen_i2c_adapter(MacroAssembler *masm,
     assert(!regs[i].second()->is_valid() || regs[i].first()->next() == regs[i].second(),
             "scrambled load targets?");
     // Load in argument order going down.
-    // int ld_off = (total_args_passed + comp_words_on_stack -i)*wordSize;
+    int ld_off = (total_args_passed - i)*Interpreter::stackElementSize() + Interpreter::value_offset_in_bytes();
-    // base ld_off on r13 (sender_sp) as the stack alignment makes offsets from rsp
-    // unpredictable
-    int ld_off = ((total_args_passed - 1) - i)*Interpreter::stackElementSize();
-
     // Point to interpreter value (vs. tag)
     int next_off = ld_off - Interpreter::stackElementSize();
     //
@@ -699,10 +703,14 @@ static void gen_i2c_adapter(MacroAssembler *masm,
     if (r_1->is_stack()) {
       // Convert stack slot to an SP offset (+ wordSize to account for return address )
       int st_off = regs[i].first()->reg2stack()*VMRegImpl::stack_slot_size + wordSize;
+
+      // We can use r13 as a temp here because compiled code doesn't need r13 as an input
+      // and if we end up going thru a c2i because of a miss a reasonable value of r13
+      // will be generated.
       if (!r_2->is_valid()) {
         // sign extend???
-        __ movl(rax, Address(r13, ld_off));
+        __ movl(r13, Address(saved_sp, ld_off));
-        __ movptr(Address(rsp, st_off), rax);
+        __ movptr(Address(rsp, st_off), r13);
       } else {
         //
         // We are using two optoregs. This can be either T_OBJECT, T_ADDRESS, T_LONG, or T_DOUBLE
@@ -715,9 +723,9 @@ static void gen_i2c_adapter(MacroAssembler *masm,
         // ld_off is MSW so get LSW
         const int offset = (sig_bt[i]==T_LONG||sig_bt[i]==T_DOUBLE)?
                            next_off : ld_off;
-        __ movq(rax, Address(r13, offset));
+        __ movq(r13, Address(saved_sp, offset));
         // st_off is LSW (i.e. reg.first())
-        __ movq(Address(rsp, st_off), rax);
+        __ movq(Address(rsp, st_off), r13);
       }
     } else if (r_1->is_Register()) {  // Register argument
       Register r = r_1->as_Register();
@@ -732,16 +740,16 @@ static void gen_i2c_adapter(MacroAssembler *masm,
                            next_off : ld_off;
 
         // this can be a misaligned move
-        __ movq(r, Address(r13, offset));
+        __ movq(r, Address(saved_sp, offset));
       } else {
         // sign extend and use a full word?
-        __ movl(r, Address(r13, ld_off));
+        __ movl(r, Address(saved_sp, ld_off));
       }
     } else {
       if (!r_2->is_valid()) {
-        __ movflt(r_1->as_XMMRegister(), Address(r13, ld_off));
+        __ movflt(r_1->as_XMMRegister(), Address(saved_sp, ld_off));
       } else {
-        __ movdbl(r_1->as_XMMRegister(), Address(r13, next_off));
+        __ movdbl(r_1->as_XMMRegister(), Address(saved_sp, next_off));
       }
     }
   }
@@ -3319,6 +3327,10 @@ void OptoRuntime::generate_exception_blob() {
 
   // rax: exception handler
 
+  // Restore SP from BP if the exception PC is a MethodHandle call.
+  __ cmpl(Address(r15_thread, JavaThread::is_method_handle_exception_offset()), 0);
+  __ cmovptr(Assembler::notEqual, rsp, rbp);
+
   // We have a handler in rax (could be deopt blob).
   __ mov(r8, rax);
 

hotspot/src/cpu/x86/vm/templateInterpreter_x86_32.cpp

@@ -1488,7 +1488,10 @@ int AbstractInterpreter::layout_activation(methodOop method,
 
   if (interpreter_frame != NULL) {
 #ifdef ASSERT
-    assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(), "Frame not properly walkable");
+    if (!EnableMethodHandles)
+      // @@@ FIXME: Should we correct interpreter_frame_sender_sp in the calling sequences?
+      // Probably, since deoptimization doesn't work yet.
+      assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(), "Frame not properly walkable");
     assert(caller->sp() == interpreter_frame->sender_sp(), "Frame not properly walkable(2)");
 #endif
 

hotspot/src/cpu/x86/vm/templateInterpreter_x86_64.cpp

@@ -449,8 +449,12 @@ void InterpreterGenerator::generate_stack_overflow_check(void) {
   __ addptr(rax, stack_base);
   __ subptr(rax, stack_size);
 
+  // Use the maximum number of pages we might bang.
+  const int max_pages = StackShadowPages > (StackRedPages+StackYellowPages) ? StackShadowPages :
+                                                                              (StackRedPages+StackYellowPages);
+
   // add in the red and yellow zone sizes
-  __ addptr(rax, (StackRedPages + StackYellowPages) * page_size);
+  __ addptr(rax, max_pages * page_size);
 
   // check against the current stack bottom
   __ cmpptr(rsp, rax);
@@ -1502,8 +1506,10 @@ int AbstractInterpreter::layout_activation(methodOop method,
          tempcount* Interpreter::stackElementWords() + popframe_extra_args;
   if (interpreter_frame != NULL) {
 #ifdef ASSERT
-    assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(),
+    if (!EnableMethodHandles)
-           "Frame not properly walkable");
+      // @@@ FIXME: Should we correct interpreter_frame_sender_sp in the calling sequences?
+      // Probably, since deoptimization doesn't work yet.
+      assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(), "Frame not properly walkable");
     assert(caller->sp() == interpreter_frame->sender_sp(), "Frame not properly walkable(2)");
 #endif
 

hotspot/src/cpu/x86/vm/x86_32.ad

@@ -268,22 +268,36 @@ static jlong *double_signmask_pool = double_quadword(&fp_signmask_pool[2*2], CON
 static jlong *float_signflip_pool  = double_quadword(&fp_signmask_pool[3*2], CONST64(0x8000000080000000), CONST64(0x8000000080000000));
 static jlong *double_signflip_pool = double_quadword(&fp_signmask_pool[4*2], CONST64(0x8000000000000000), CONST64(0x8000000000000000));
 
+// Offset hacking within calls.
+static int pre_call_FPU_size() {
+  if (Compile::current()->in_24_bit_fp_mode())
+    return 6; // fldcw
+  return 0;
+}
+
+static int preserve_SP_size() {
+  return LP64_ONLY(1 +) 2;  // [rex,] op, rm(reg/reg)
+}
+
 // !!!!! Special hack to get all type of calls to specify the byte offset
 //       from the start of the call to the point where the return address
 //       will point.
 int MachCallStaticJavaNode::ret_addr_offset() {
-  return 5 + (Compile::current()->in_24_bit_fp_mode() ? 6 : 0);  // 5 bytes from start of call to where return address points
+  int offset = 5 + pre_call_FPU_size();  // 5 bytes from start of call to where return address points
+  if (_method_handle_invoke)
+    offset += preserve_SP_size();
+  return offset;
 }
 
 int MachCallDynamicJavaNode::ret_addr_offset() {
-  return 10 + (Compile::current()->in_24_bit_fp_mode() ? 6 : 0);  // 10 bytes from start of call to where return address points
+  return 10 + pre_call_FPU_size();  // 10 bytes from start of call to where return address points
 }
 
 static int sizeof_FFree_Float_Stack_All = -1;
 
 int MachCallRuntimeNode::ret_addr_offset() {
   assert(sizeof_FFree_Float_Stack_All != -1, "must have been emitted already");
-  return sizeof_FFree_Float_Stack_All + 5 + (Compile::current()->in_24_bit_fp_mode() ? 6 : 0);
+  return sizeof_FFree_Float_Stack_All + 5 + pre_call_FPU_size();
 }
 
 // Indicate if the safepoint node needs the polling page as an input.
@@ -299,8 +313,16 @@ bool SafePointNode::needs_polling_address_input() {
 // The address of the call instruction needs to be 4-byte aligned to
 // ensure that it does not span a cache line so that it can be patched.
 int CallStaticJavaDirectNode::compute_padding(int current_offset) const {
-  if (Compile::current()->in_24_bit_fp_mode())
+  current_offset += pre_call_FPU_size();  // skip fldcw, if any
-    current_offset += 6;    // skip fldcw in pre_call_FPU, if any
+  current_offset += 1;      // skip call opcode byte
+  return round_to(current_offset, alignment_required()) - current_offset;
+}
+
+// The address of the call instruction needs to be 4-byte aligned to
+// ensure that it does not span a cache line so that it can be patched.
+int CallStaticJavaHandleNode::compute_padding(int current_offset) const {
+  current_offset += pre_call_FPU_size();  // skip fldcw, if any
+  current_offset += preserve_SP_size();   // skip mov rbp, rsp
   current_offset += 1;      // skip call opcode byte
   return round_to(current_offset, alignment_required()) - current_offset;
 }
@@ -308,8 +330,7 @@ int CallStaticJavaDirectNode::compute_padding(int current_offset) const {
 // The address of the call instruction needs to be 4-byte aligned to
 // ensure that it does not span a cache line so that it can be patched.
 int CallDynamicJavaDirectNode::compute_padding(int current_offset) const {
-  if (Compile::current()->in_24_bit_fp_mode())
+  current_offset += pre_call_FPU_size();  // skip fldcw, if any
-    current_offset += 6;    // skip fldcw in pre_call_FPU, if any
   current_offset += 5;      // skip MOV instruction
   current_offset += 1;      // skip call opcode byte
   return round_to(current_offset, alignment_required()) - current_offset;
@@ -1460,6 +1481,10 @@ RegMask Matcher::modL_proj_mask() {
   return RegMask();
 }
 
+const RegMask Matcher::method_handle_invoke_SP_save_mask() {
+  return EBP_REG_mask;
+}
+
 %}
 
 //----------ENCODING BLOCK-----------------------------------------------------
@@ -1772,10 +1797,13 @@ encode %{
 
   enc_class pre_call_FPU %{
     // If method sets FPU control word restore it here
+    debug_only(int off0 = cbuf.code_size());
     if( Compile::current()->in_24_bit_fp_mode() ) {
       MacroAssembler masm(&cbuf);
       masm.fldcw(ExternalAddress(StubRoutines::addr_fpu_cntrl_wrd_std()));
     }
+    debug_only(int off1 = cbuf.code_size());
+    assert(off1 - off0 == pre_call_FPU_size(), "correct size prediction");
   %}
 
   enc_class post_call_FPU %{
@@ -1786,6 +1814,21 @@ encode %{
     }
   %}
 
+  enc_class preserve_SP %{
+    debug_only(int off0 = cbuf.code_size());
+    MacroAssembler _masm(&cbuf);
+    // RBP is preserved across all calls, even compiled calls.
+    // Use it to preserve RSP in places where the callee might change the SP.
+    __ movptr(rbp, rsp);
+    debug_only(int off1 = cbuf.code_size());
+    assert(off1 - off0 == preserve_SP_size(), "correct size prediction");
+  %}
+
+  enc_class restore_SP %{
+    MacroAssembler _masm(&cbuf);
+    __ movptr(rsp, rbp);
+  %}
+
   enc_class Java_Static_Call (method meth) %{    // JAVA STATIC CALL
     // CALL to fixup routine.  Fixup routine uses ScopeDesc info to determine
     // who we intended to call.
@@ -13406,6 +13449,7 @@ instruct cmovXX_reg_LEGT(cmpOp_commute cmp, flagsReg_long_LEGT flags, regX dst,
 //       compute_padding() functions will have to be adjusted.
 instruct CallStaticJavaDirect(method meth) %{
   match(CallStaticJava);
+  predicate(! ((CallStaticJavaNode*)n)->is_method_handle_invoke());
   effect(USE meth);
 
   ins_cost(300);
@@ -13420,6 +13464,30 @@ instruct CallStaticJavaDirect(method meth) %{
   ins_alignment(4);
 %}
 
+// Call Java Static Instruction (method handle version)
+// Note: If this code changes, the corresponding ret_addr_offset() and
+//       compute_padding() functions will have to be adjusted.
+instruct CallStaticJavaHandle(method meth, eBPRegP ebp) %{
+  match(CallStaticJava);
+  predicate(((CallStaticJavaNode*)n)->is_method_handle_invoke());
+  effect(USE meth);
+  // EBP is saved by all callees (for interpreter stack correction).
+  // We use it here for a similar purpose, in {preserve,restore}_SP.
+
+  ins_cost(300);
+  format %{ "CALL,static/MethodHandle " %}
+  opcode(0xE8); /* E8 cd */
+  ins_encode( pre_call_FPU,
+              preserve_SP,
+              Java_Static_Call( meth ),
+              restore_SP,
+              call_epilog,
+              post_call_FPU );
+  ins_pipe( pipe_slow );
+  ins_pc_relative(1);
+  ins_alignment(4);
+%}
+
 // Call Java Dynamic Instruction
 // Note: If this code changes, the corresponding ret_addr_offset() and
 //       compute_padding() functions will have to be adjusted.

hotspot/src/cpu/x86/vm/x86_64.ad

@@ -551,12 +551,19 @@ source %{
 
 #define __ _masm.
 
+static int preserve_SP_size() {
+  return LP64_ONLY(1 +) 2;  // [rex,] op, rm(reg/reg)
+}
+
 // !!!!! Special hack to get all types of calls to specify the byte offset
 //       from the start of the call to the point where the return address
 //       will point.
 int MachCallStaticJavaNode::ret_addr_offset()
 {
-  return 5; // 5 bytes from start of call to where return address points
+  int offset = 5; // 5 bytes from start of call to where return address points
+  if (_method_handle_invoke)
+    offset += preserve_SP_size();
+  return offset;
 }
 
 int MachCallDynamicJavaNode::ret_addr_offset()
@@ -587,6 +594,15 @@ int CallStaticJavaDirectNode::compute_padding(int current_offset) const
   return round_to(current_offset, alignment_required()) - current_offset;
 }
 
+// The address of the call instruction needs to be 4-byte aligned to
+// ensure that it does not span a cache line so that it can be patched.
+int CallStaticJavaHandleNode::compute_padding(int current_offset) const
+{
+  current_offset += preserve_SP_size();   // skip mov rbp, rsp
+  current_offset += 1; // skip call opcode byte
+  return round_to(current_offset, alignment_required()) - current_offset;
+}
+
 // The address of the call instruction needs to be 4-byte aligned to
 // ensure that it does not span a cache line so that it can be patched.
 int CallDynamicJavaDirectNode::compute_padding(int current_offset) const
@@ -2113,6 +2129,10 @@ RegMask Matcher::modL_proj_mask() {
   return LONG_RDX_REG_mask;
 }
 
+const RegMask Matcher::method_handle_invoke_SP_save_mask() {
+  return PTR_RBP_REG_mask;
+}
+
 static Address build_address(int b, int i, int s, int d) {
   Register index = as_Register(i);
   Address::ScaleFactor scale = (Address::ScaleFactor)s;
@@ -2608,6 +2628,21 @@ encode %{
                    RELOC_DISP32);
   %}
 
+  enc_class preserve_SP %{
+    debug_only(int off0 = cbuf.code_size());
+    MacroAssembler _masm(&cbuf);
+    // RBP is preserved across all calls, even compiled calls.
+    // Use it to preserve RSP in places where the callee might change the SP.
+    __ movptr(rbp, rsp);
+    debug_only(int off1 = cbuf.code_size());
+    assert(off1 - off0 == preserve_SP_size(), "correct size prediction");
+  %}
+
+  enc_class restore_SP %{
+    MacroAssembler _masm(&cbuf);
+    __ movptr(rsp, rbp);
+  %}
+
   enc_class Java_Static_Call(method meth)
   %{
     // JAVA STATIC CALL
@@ -12526,9 +12561,9 @@ instruct safePoint_poll(rFlagsReg cr)
 // Call Java Static Instruction
 // Note: If this code changes, the corresponding ret_addr_offset() and
 //       compute_padding() functions will have to be adjusted.
-instruct CallStaticJavaDirect(method meth)
+instruct CallStaticJavaDirect(method meth) %{
-%{
   match(CallStaticJava);
+  predicate(!((CallStaticJavaNode*) n)->is_method_handle_invoke());
   effect(USE meth);
 
   ins_cost(300);
@@ -12540,6 +12575,28 @@ instruct CallStaticJavaDirect(method meth)
   ins_alignment(4);
 %}
 
+// Call Java Static Instruction (method handle version)
+// Note: If this code changes, the corresponding ret_addr_offset() and
+//       compute_padding() functions will have to be adjusted.
+instruct CallStaticJavaHandle(method meth, rbp_RegP rbp) %{
+  match(CallStaticJava);
+  predicate(((CallStaticJavaNode*) n)->is_method_handle_invoke());
+  effect(USE meth);
+  // RBP is saved by all callees (for interpreter stack correction).
+  // We use it here for a similar purpose, in {preserve,restore}_SP.
+
+  ins_cost(300);
+  format %{ "call,static/MethodHandle " %}
+  opcode(0xE8); /* E8 cd */
+  ins_encode(preserve_SP,
+             Java_Static_Call(meth),
+             restore_SP,
+             call_epilog);
+  ins_pipe(pipe_slow);
+  ins_pc_relative(1);
+  ins_alignment(4);
+%}
+
 // Call Java Dynamic Instruction
 // Note: If this code changes, the corresponding ret_addr_offset() and
 //       compute_padding() functions will have to be adjusted.

hotspot/src/cpu/zero/vm/cppInterpreter_zero.cpp

@@ -245,7 +245,7 @@ void CppInterpreter::native_entry(methodOop method, intptr_t UNUSED, TRAPS) {
     if (handlerAddr == NULL) {
       CALL_VM_NOCHECK(InterpreterRuntime::prepare_native_call(thread, method));
       if (HAS_PENDING_EXCEPTION)
-        goto unwind_and_return;
+        goto unlock_unwind_and_return;
 
       handlerAddr = method->signature_handler();
       assert(handlerAddr != NULL, "eh?");
@@ -254,7 +254,7 @@ void CppInterpreter::native_entry(methodOop method, intptr_t UNUSED, TRAPS) {
       CALL_VM_NOCHECK(handlerAddr =
         InterpreterRuntime::slow_signature_handler(thread, method, NULL,NULL));
       if (HAS_PENDING_EXCEPTION)
-        goto unwind_and_return;
+        goto unlock_unwind_and_return;
     }
     handler = \
       InterpreterRuntime::SignatureHandler::from_handlerAddr(handlerAddr);
@@ -365,10 +365,10 @@ void CppInterpreter::native_entry(methodOop method, intptr_t UNUSED, TRAPS) {
   // Reset handle block
   thread->active_handles()->clear();
 
-  // Unlock if necessary.  It seems totally wrong that this
+ unlock_unwind_and_return:
-  // is skipped in the event of an exception but apparently
+
-  // the template interpreter does this so we do too.
+  // Unlock if necessary
-  if (monitor && !HAS_PENDING_EXCEPTION) {
+  if (monitor) {
     BasicLock *lock = monitor->lock();
     markOop header = lock->displaced_header();
     oop rcvr = monitor->obj();

hotspot/src/share/vm/c1/c1_IR.hpp

@@ -251,8 +251,9 @@ class IRScopeDebugInfo: public CompilationResourceObj {
     DebugToken* expvals = recorder->create_scope_values(expressions());
     DebugToken* monvals = recorder->create_monitor_values(monitors());
     // reexecute allowed only for the topmost frame
-    bool      reexecute = topmost ? should_reexecute() : false;
+    bool reexecute = topmost ? should_reexecute() : false;
-    recorder->describe_scope(pc_offset, scope()->method(), bci(), reexecute, locvals, expvals, monvals);
+    bool is_method_handle_invoke = false;
+    recorder->describe_scope(pc_offset, scope()->method(), bci(), reexecute, is_method_handle_invoke, locvals, expvals, monvals);
   }
 };
 

hotspot/src/share/vm/c1/c1_Runtime1.cpp

@@ -425,7 +425,7 @@ JRT_ENTRY_NO_ASYNC(static address, exception_handler_for_pc_helper(JavaThread* t
   assert(exception.not_null(), "NULL exceptions should be handled by throw_exception");
   assert(exception->is_oop(), "just checking");
   // Check that exception is a subclass of Throwable, otherwise we have a VerifyError
-  if (!(exception->is_a(SystemDictionary::throwable_klass()))) {
+  if (!(exception->is_a(SystemDictionary::Throwable_klass()))) {
     if (ExitVMOnVerifyError) vm_exit(-1);
     ShouldNotReachHere();
   }

hotspot/src/share/vm/ci/ciCPCache.cpp

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+#include "incls/_precompiled.incl"
+#include "incls/_ciCPCache.cpp.incl"
+
+// ciCPCache
+
+// ------------------------------------------------------------------
+// ciCPCache::get_f1_offset
+size_t ciCPCache::get_f1_offset(int index) {
+  // Calculate the offset from the constantPoolCacheOop to the f1
+  // field.
+  ByteSize f1_offset =
+    constantPoolCacheOopDesc::entry_offset(index) +
+    ConstantPoolCacheEntry::f1_offset();
+
+  return in_bytes(f1_offset);
+}
+
+
+// ------------------------------------------------------------------
+// ciCPCache::print
+//
+// Print debugging information about the cache.
+void ciCPCache::print() {
+  Unimplemented();
+}

hotspot/src/share/vm/ci/ciCPCache.hpp

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// ciCPCache
+//
+// This class represents a constant pool cache.
+//
+// Note: This class is called ciCPCache as ciConstantPoolCache is used
+// for something different.
+class ciCPCache : public ciObject {
+public:
+  ciCPCache(constantPoolCacheHandle cpcache) : ciObject(cpcache) {}
+
+  // What kind of ciObject is this?
+  bool is_cpcache() const { return true; }
+
+  // Get the offset in bytes from the oop to the f1 field of the
+  // requested entry.
+  size_t get_f1_offset(int index);
+
+  void print();
+};

hotspot/src/share/vm/ci/ciCallSite.cpp

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+#include "incls/_precompiled.incl"
+#include "incls/_ciCallSite.cpp.incl"
+
+// ciCallSite
+
+// ------------------------------------------------------------------
+// ciCallSite::get_target
+//
+// Return the target MethodHandle of this CallSite.
+ciMethodHandle* ciCallSite::get_target() const {
+  VM_ENTRY_MARK;
+  oop method_handle_oop = java_dyn_CallSite::target(get_oop());
+  return CURRENT_ENV->get_object(method_handle_oop)->as_method_handle();
+}
+
+// ------------------------------------------------------------------
+// ciCallSite::print
+//
+// Print debugging information about the CallSite.
+void ciCallSite::print() {
+  Unimplemented();
+}

hotspot/src/share/vm/ci/ciCallSite.hpp

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// ciCallSite
+//
+// The class represents a java.dyn.CallSite object.
+class ciCallSite : public ciInstance {
+public:
+  ciCallSite(instanceHandle h_i) : ciInstance(h_i) {}
+
+  // What kind of ciObject is this?
+  bool is_call_site() const { return true; }
+
+  // Return the target MethodHandle of this CallSite.
+  ciMethodHandle* get_target() const;
+
+  void print();
+};

hotspot/src/share/vm/ci/ciClassList.hpp

@@ -25,6 +25,7 @@
 class ciEnv;
 class ciObjectFactory;
 class ciConstantPoolCache;
+class ciCPCache;
 
 class ciField;
 class ciConstant;
@@ -42,6 +43,8 @@ class ciTypeFlow;
 class ciObject;
 class   ciNullObject;
 class   ciInstance;
+class     ciCallSite;
+class     ciMethodHandle;
 class   ciMethod;
 class   ciMethodData;
 class     ciReceiverTypeData;  // part of ciMethodData
@@ -78,6 +81,7 @@ friend class ciObjectFactory;
 // Any more access must be given explicitly.
 #define CI_PACKAGE_ACCESS_TO           \
 friend class ciObjectFactory;          \
+friend class ciCallSite;               \
 friend class ciConstantPoolCache;      \
 friend class ciField;                  \
 friend class ciConstant;               \
@@ -93,6 +97,7 @@ friend class ciNullObject;             \
 friend class ciInstance;               \
 friend class ciMethod;                 \
 friend class ciMethodData;             \
+friend class ciMethodHandle;           \
 friend class ciReceiverTypeData;       \
 friend class ciSymbol;                 \
 friend class ciArray;                  \

hotspot/src/share/vm/ci/ciEnv.cpp

@@ -38,17 +38,9 @@ ciInstanceKlassKlass*  ciEnv::_instance_klass_klass_instance;
 ciTypeArrayKlassKlass* ciEnv::_type_array_klass_klass_instance;
 ciObjArrayKlassKlass*  ciEnv::_obj_array_klass_klass_instance;
 
-ciInstanceKlass* ciEnv::_ArrayStoreException;
+#define WK_KLASS_DEFN(name, ignore_s, ignore_o) ciInstanceKlass* ciEnv::_##name = NULL;
-ciInstanceKlass* ciEnv::_Class;
+WK_KLASSES_DO(WK_KLASS_DEFN)
-ciInstanceKlass* ciEnv::_ClassCastException;
+#undef WK_KLASS_DEFN
-ciInstanceKlass* ciEnv::_Object;
-ciInstanceKlass* ciEnv::_Throwable;
-ciInstanceKlass* ciEnv::_Thread;
-ciInstanceKlass* ciEnv::_OutOfMemoryError;
-ciInstanceKlass* ciEnv::_String;
-ciInstanceKlass* ciEnv::_StringBuffer;
-ciInstanceKlass* ciEnv::_StringBuilder;
-ciInstanceKlass* ciEnv::_Integer;
 
 ciSymbol*        ciEnv::_unloaded_cisymbol = NULL;
 ciInstanceKlass* ciEnv::_unloaded_ciinstance_klass = NULL;
@@ -442,12 +434,11 @@ ciKlass* ciEnv::get_klass_by_name(ciKlass* accessing_klass,
 // ciEnv::get_klass_by_index_impl
 //
 // Implementation of get_klass_by_index.
-ciKlass* ciEnv::get_klass_by_index_impl(ciInstanceKlass* accessor,
+ciKlass* ciEnv::get_klass_by_index_impl(constantPoolHandle cpool,
                                         int index,
-                                        bool& is_accessible) {
+                                        bool& is_accessible,
-  assert(accessor->get_instanceKlass()->is_linked(), "must be linked before accessing constant pool");
+                                        ciInstanceKlass* accessor) {
   EXCEPTION_CONTEXT;
-  constantPoolHandle cpool(THREAD, accessor->get_instanceKlass()->constants());
   KlassHandle klass (THREAD, constantPoolOopDesc::klass_at_if_loaded(cpool, index));
   symbolHandle klass_name;
   if (klass.is_null()) {
@@ -509,22 +500,21 @@ ciKlass* ciEnv::get_klass_by_index_impl(ciInstanceKlass* accessor,
 // ciEnv::get_klass_by_index
 //
 // Get a klass from the constant pool.
-ciKlass* ciEnv::get_klass_by_index(ciInstanceKlass* accessor,
+ciKlass* ciEnv::get_klass_by_index(constantPoolHandle cpool,
                                    int index,
-                                   bool& is_accessible) {
+                                   bool& is_accessible,
-  GUARDED_VM_ENTRY(return get_klass_by_index_impl(accessor, index, is_accessible);)
+                                   ciInstanceKlass* accessor) {
+  GUARDED_VM_ENTRY(return get_klass_by_index_impl(cpool, index, is_accessible, accessor);)
 }
 
 // ------------------------------------------------------------------
 // ciEnv::get_constant_by_index_impl
 //
 // Implementation of get_constant_by_index().
-ciConstant ciEnv::get_constant_by_index_impl(ciInstanceKlass* accessor,
+ciConstant ciEnv::get_constant_by_index_impl(constantPoolHandle cpool,
-                                             int index) {
+                                             int index,
+                                             ciInstanceKlass* accessor) {
   EXCEPTION_CONTEXT;
-  instanceKlass* ik_accessor = accessor->get_instanceKlass();
-  assert(ik_accessor->is_linked(), "must be linked before accessing constant pool");
-  constantPoolOop cpool = ik_accessor->constants();
   constantTag tag = cpool->tag_at(index);
   if (tag.is_int()) {
     return ciConstant(T_INT, (jint)cpool->int_at(index));
@@ -552,7 +542,7 @@ ciConstant ciEnv::get_constant_by_index_impl(ciInstanceKlass* accessor,
   } else if (tag.is_klass() || tag.is_unresolved_klass()) {
     // 4881222: allow ldc to take a class type
     bool ignore;
-    ciKlass* klass = get_klass_by_index_impl(accessor, index, ignore);
+    ciKlass* klass = get_klass_by_index_impl(cpool, index, ignore, accessor);
     if (HAS_PENDING_EXCEPTION) {
       CLEAR_PENDING_EXCEPTION;
       record_out_of_memory_failure();
@@ -561,6 +551,11 @@ ciConstant ciEnv::get_constant_by_index_impl(ciInstanceKlass* accessor,
     assert (klass->is_instance_klass() || klass->is_array_klass(),
             "must be an instance or array klass ");
     return ciConstant(T_OBJECT, klass);
+  } else if (tag.is_object()) {
+    oop obj = cpool->object_at(index);
+    assert(obj->is_instance(), "must be an instance");
+    ciObject* ciobj = get_object(obj);
+    return ciConstant(T_OBJECT, ciobj);
   } else {
     ShouldNotReachHere();
     return ciConstant();
@@ -597,9 +592,10 @@ bool ciEnv::is_unresolved_klass_impl(instanceKlass* accessor, int index) const {
 // Pull a constant out of the constant pool.  How appropriate.
 //
 // Implementation note: this query is currently in no way cached.
-ciConstant ciEnv::get_constant_by_index(ciInstanceKlass* accessor,
+ciConstant ciEnv::get_constant_by_index(constantPoolHandle cpool,
-                                        int index) {
+                                        int index,
-  GUARDED_VM_ENTRY(return get_constant_by_index_impl(accessor, index); )
+                                        ciInstanceKlass* accessor) {
+  GUARDED_VM_ENTRY(return get_constant_by_index_impl(cpool, index, accessor);)
 }
 
 // ------------------------------------------------------------------
@@ -609,7 +605,7 @@ ciConstant ciEnv::get_constant_by_index(ciInstanceKlass* accessor,
 //
 // Implementation note: this query is currently in no way cached.
 bool ciEnv::is_unresolved_string(ciInstanceKlass* accessor,
-                                        int index) const {
+                                 int index) const {
   GUARDED_VM_ENTRY(return is_unresolved_string_impl(accessor->get_instanceKlass(), index); )
 }
 
@@ -620,7 +616,7 @@ bool ciEnv::is_unresolved_string(ciInstanceKlass* accessor,
 //
 // Implementation note: this query is currently in no way cached.
 bool ciEnv::is_unresolved_klass(ciInstanceKlass* accessor,
-                                        int index) const {
+                                int index) const {
   GUARDED_VM_ENTRY(return is_unresolved_klass_impl(accessor->get_instanceKlass(), index); )
 }
 
@@ -701,15 +697,12 @@ methodOop ciEnv::lookup_method(instanceKlass*  accessor,
 
 // ------------------------------------------------------------------
 // ciEnv::get_method_by_index_impl
-ciMethod* ciEnv::get_method_by_index_impl(ciInstanceKlass* accessor,
+ciMethod* ciEnv::get_method_by_index_impl(constantPoolHandle cpool,
-                                     int index, Bytecodes::Code bc) {
+                                          int index, Bytecodes::Code bc,
-  // Get the method's declared holder.
+                                          ciInstanceKlass* accessor) {
-
-  assert(accessor->get_instanceKlass()->is_linked(), "must be linked before accessing constant pool");
-  constantPoolHandle cpool = accessor->get_instanceKlass()->constants();
   int holder_index = cpool->klass_ref_index_at(index);
   bool holder_is_accessible;
-  ciKlass* holder = get_klass_by_index_impl(accessor, holder_index, holder_is_accessible);
+  ciKlass* holder = get_klass_by_index_impl(cpool, holder_index, holder_is_accessible, accessor);
   ciInstanceKlass* declared_holder = get_instance_klass_for_declared_method_holder(holder);
 
   // Get the method's name and signature.
@@ -735,6 +728,33 @@ ciMethod* ciEnv::get_method_by_index_impl(ciInstanceKlass* accessor,
 }
 
 
+// ------------------------------------------------------------------
+// ciEnv::get_fake_invokedynamic_method_impl
+ciMethod* ciEnv::get_fake_invokedynamic_method_impl(constantPoolHandle cpool,
+                                                    int index, Bytecodes::Code bc) {
+  assert(bc == Bytecodes::_invokedynamic, "must be invokedynamic");
+
+  // Get the CallSite from the constant pool cache.
+  ConstantPoolCacheEntry* cpc_entry = cpool->cache()->secondary_entry_at(index);
+  assert(cpc_entry != NULL && cpc_entry->is_secondary_entry(), "sanity");
+  Handle call_site = cpc_entry->f1();
+
+  // Call site might not be linked yet.
+  if (call_site.is_null()) {
+    ciInstanceKlass* mh_klass = get_object(SystemDictionary::MethodHandle_klass())->as_instance_klass();
+    ciSymbol*       sig_sym   = get_object(cpool->signature_ref_at(index))->as_symbol();
+    return get_unloaded_method(mh_klass, ciSymbol::invoke_name(), sig_sym);
+  }
+
+  // Get the methodOop from the CallSite.
+  methodOop method_oop = (methodOop) java_dyn_CallSite::vmmethod(call_site());
+  assert(method_oop != NULL, "sanity");
+  assert(method_oop->is_method_handle_invoke(), "consistent");
+
+  return get_object(method_oop)->as_method();
+}
+
+
 // ------------------------------------------------------------------
 // ciEnv::get_instance_klass_for_declared_method_holder
 ciInstanceKlass* ciEnv::get_instance_klass_for_declared_method_holder(ciKlass* method_holder) {
@@ -757,15 +777,19 @@ ciInstanceKlass* ciEnv::get_instance_klass_for_declared_method_holder(ciKlass* m
 }
 
 
-
-
 // ------------------------------------------------------------------
 // ciEnv::get_method_by_index
-ciMethod* ciEnv::get_method_by_index(ciInstanceKlass* accessor,
+ciMethod* ciEnv::get_method_by_index(constantPoolHandle cpool,
-                                     int index, Bytecodes::Code bc) {
+                                     int index, Bytecodes::Code bc,
-  GUARDED_VM_ENTRY(return get_method_by_index_impl(accessor, index, bc);)
+                                     ciInstanceKlass* accessor) {
+  if (bc == Bytecodes::_invokedynamic) {
+    GUARDED_VM_ENTRY(return get_fake_invokedynamic_method_impl(cpool, index, bc);)
+  } else {
+    GUARDED_VM_ENTRY(return get_method_by_index_impl(cpool, index, bc, accessor);)
+  }
 }
 
+
 // ------------------------------------------------------------------
 // ciEnv::name_buffer
 char *ciEnv::name_buffer(int req_len) {

hotspot/src/share/vm/ci/ciEnv.hpp

@@ -74,17 +74,9 @@ private:
   static ciTypeArrayKlassKlass* _type_array_klass_klass_instance;
   static ciObjArrayKlassKlass*  _obj_array_klass_klass_instance;
 
-  static ciInstanceKlass* _ArrayStoreException;
+#define WK_KLASS_DECL(name, ignore_s, ignore_o) static ciInstanceKlass* _##name;
-  static ciInstanceKlass* _Class;
+  WK_KLASSES_DO(WK_KLASS_DECL)
-  static ciInstanceKlass* _ClassCastException;
+#undef WK_KLASS_DECL
-  static ciInstanceKlass* _Object;
-  static ciInstanceKlass* _Throwable;
-  static ciInstanceKlass* _Thread;
-  static ciInstanceKlass* _OutOfMemoryError;
-  static ciInstanceKlass* _String;
-  static ciInstanceKlass* _StringBuffer;
-  static ciInstanceKlass* _StringBuilder;
-  static ciInstanceKlass* _Integer;
 
   static ciSymbol*        _unloaded_cisymbol;
   static ciInstanceKlass* _unloaded_ciinstance_klass;
@@ -120,37 +112,45 @@ private:
                              bool require_local);
 
   // Constant pool access.
-  ciKlass*   get_klass_by_index(ciInstanceKlass* loading_klass,
+  ciKlass*   get_klass_by_index(constantPoolHandle cpool,
                                 int klass_index,
-                                bool& is_accessible);
+                                bool& is_accessible,
-  ciConstant get_constant_by_index(ciInstanceKlass* loading_klass,
+                                ciInstanceKlass* loading_klass);
-                                   int constant_index);
+  ciConstant get_constant_by_index(constantPoolHandle cpool,
+                                   int constant_index,
+                                   ciInstanceKlass* accessor);
   bool       is_unresolved_string(ciInstanceKlass* loading_klass,
                                    int constant_index) const;
   bool       is_unresolved_klass(ciInstanceKlass* loading_klass,
                                    int constant_index) const;
   ciField*   get_field_by_index(ciInstanceKlass* loading_klass,
                                 int field_index);
-  ciMethod*  get_method_by_index(ciInstanceKlass* loading_klass,
+  ciMethod*  get_method_by_index(constantPoolHandle cpool,
-                                 int method_index, Bytecodes::Code bc);
+                                 int method_index, Bytecodes::Code bc,
+                                 ciInstanceKlass* loading_klass);
 
   // Implementation methods for loading and constant pool access.
   ciKlass* get_klass_by_name_impl(ciKlass* accessing_klass,
                                   ciSymbol* klass_name,
                                   bool require_local);
-  ciKlass*   get_klass_by_index_impl(ciInstanceKlass* loading_klass,
+  ciKlass*   get_klass_by_index_impl(constantPoolHandle cpool,
                                      int klass_index,
-                                     bool& is_accessible);
+                                     bool& is_accessible,
-  ciConstant get_constant_by_index_impl(ciInstanceKlass* loading_klass,
+                                     ciInstanceKlass* loading_klass);
-                                        int constant_index);
+  ciConstant get_constant_by_index_impl(constantPoolHandle cpool,
+                                        int constant_index,
+                                        ciInstanceKlass* loading_klass);
   bool       is_unresolved_string_impl (instanceKlass* loading_klass,
                                         int constant_index) const;
   bool       is_unresolved_klass_impl (instanceKlass* loading_klass,
                                         int constant_index) const;
   ciField*   get_field_by_index_impl(ciInstanceKlass* loading_klass,
                                      int field_index);
-  ciMethod*  get_method_by_index_impl(ciInstanceKlass* loading_klass,
+  ciMethod*  get_method_by_index_impl(constantPoolHandle cpool,
-                                      int method_index, Bytecodes::Code bc);
+                                      int method_index, Bytecodes::Code bc,
+                                      ciInstanceKlass* loading_klass);
+  ciMethod*  get_fake_invokedynamic_method_impl(constantPoolHandle cpool,
+                                                int index, Bytecodes::Code bc);
 
   // Helper methods
   bool       check_klass_accessibility(ciKlass* accessing_klass,
@@ -292,39 +292,13 @@ public:
 
 
   // Access to certain well known ciObjects.
-  ciInstanceKlass* ArrayStoreException_klass() {
+#define WK_KLASS_FUNC(name, ignore_s, ignore_o) \
-    return _ArrayStoreException;
+  ciInstanceKlass* name() { \
-  }
+    return _##name;\
-  ciInstanceKlass* Class_klass() {
-    return _Class;
-  }
-  ciInstanceKlass* ClassCastException_klass() {
-    return _ClassCastException;
-  }
-  ciInstanceKlass* Object_klass() {
-    return _Object;
-  }
-  ciInstanceKlass* Throwable_klass() {
-    return _Throwable;
-  }
-  ciInstanceKlass* Thread_klass() {
-    return _Thread;
-  }
-  ciInstanceKlass* OutOfMemoryError_klass() {
-    return _OutOfMemoryError;
-  }
-  ciInstanceKlass* String_klass() {
-    return _String;
-  }
-  ciInstanceKlass* StringBuilder_klass() {
-    return _StringBuilder;
-  }
-  ciInstanceKlass* StringBuffer_klass() {
-    return _StringBuffer;
-  }
-  ciInstanceKlass* Integer_klass() {
-    return _Integer;
   }
+  WK_KLASSES_DO(WK_KLASS_FUNC)
+#undef WK_KLASS_FUNC
+
   ciInstance* NullPointerException_instance() {
     assert(_NullPointerException_instance != NULL, "initialization problem");
     return _NullPointerException_instance;

hotspot/src/share/vm/ci/ciExceptionHandler.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2003 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,12 +34,16 @@
 //
 // Get the exception klass that this handler catches.
 ciInstanceKlass* ciExceptionHandler::catch_klass() {
+  VM_ENTRY_MARK;
   assert(!is_catch_all(), "bad index");
   if (_catch_klass == NULL) {
     bool will_link;
-    ciKlass* k = CURRENT_ENV->get_klass_by_index(_loading_klass,
+    assert(_loading_klass->get_instanceKlass()->is_linked(), "must be linked before accessing constant pool");
+    constantPoolHandle cpool(_loading_klass->get_instanceKlass()->constants());
+    ciKlass* k = CURRENT_ENV->get_klass_by_index(cpool,
                                                  _catch_klass_index,
-                                                 will_link);
+                                                 will_link,
+                                                 _loading_klass);
     if (!will_link && k->is_loaded()) {
       GUARDED_VM_ENTRY(
         k = CURRENT_ENV->get_unloaded_klass(_loading_klass, k->name());

hotspot/src/share/vm/ci/ciField.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -86,7 +86,7 @@ ciField::ciField(ciInstanceKlass* klass, int index): _known_to_link_with(NULL) {
     bool ignore;
     // This is not really a class reference; the index always refers to the
     // field's type signature, as a symbol.  Linkage checks do not apply.
-    _type = ciEnv::current(thread)->get_klass_by_index(klass, sig_index, ignore);
+    _type = ciEnv::current(thread)->get_klass_by_index(cpool, sig_index, ignore, klass);
   } else {
     _type = ciType::make(field_type);
   }
@@ -100,9 +100,9 @@ ciField::ciField(ciInstanceKlass* klass, int index): _known_to_link_with(NULL) {
   int holder_index = cpool->klass_ref_index_at(index);
   bool holder_is_accessible;
   ciInstanceKlass* declared_holder =
-    ciEnv::current(thread)->get_klass_by_index(klass, holder_index,
+    ciEnv::current(thread)->get_klass_by_index(cpool, holder_index,
-                                               holder_is_accessible)
+                                               holder_is_accessible,
-      ->as_instance_klass();
+                                               klass)->as_instance_klass();
 
   // The declared holder of this field may not have been loaded.
   // Bail out with partial field information.
@@ -168,8 +168,18 @@ void ciField::initialize_from(fieldDescriptor* fd) {
   _holder = CURRENT_ENV->get_object(fd->field_holder())->as_instance_klass();
 
   // Check to see if the field is constant.
-  if (_holder->is_initialized() &&
+  if (_holder->is_initialized() && this->is_final()) {
-      this->is_final() && this->is_static()) {
+    if (!this->is_static()) {
+      // A field can be constant if it's a final static field or if it's
+      // a final non-static field of a trusted class ({java,sun}.dyn).
+      if (_holder->is_in_package("java/dyn") || _holder->is_in_package("sun/dyn")) {
+        _is_constant = true;
+        return;
+      }
+      _is_constant = false;
+      return;
+    }
+
     // This field just may be constant.  The only cases where it will
     // not be constant are:
     //
@@ -182,8 +192,8 @@ void ciField::initialize_from(fieldDescriptor* fd) {
     //    java.lang.System.out, and java.lang.System.err.
 
     klassOop k = _holder->get_klassOop();
-    assert( SystemDictionary::system_klass() != NULL, "Check once per vm");
+    assert( SystemDictionary::System_klass() != NULL, "Check once per vm");
-    if( k == SystemDictionary::system_klass() ) {
+    if( k == SystemDictionary::System_klass() ) {
       // Check offsets for case 2: System.in, System.out, or System.err
       if( _offset == java_lang_System::in_offset_in_bytes()  ||
           _offset == java_lang_System::out_offset_in_bytes() ||

hotspot/src/share/vm/ci/ciField.hpp

@@ -138,10 +138,18 @@ public:
 
   // Get the constant value of this field.
   ciConstant constant_value() {
-    assert(is_constant(), "illegal call to constant_value()");
+    assert(is_static() && is_constant(), "illegal call to constant_value()");
     return _constant_value;
   }
 
+  // Get the constant value of non-static final field in the given
+  // object.
+  ciConstant constant_value_of(ciObject* object) {
+    assert(!is_static() && is_constant(), "only if field is non-static constant");
+    assert(object->is_instance(), "must be instance");
+    return object->as_instance()->field_value(this);
+  }
+
   // Check for link time errors.  Accessing a field from a
   // certain class via a certain bytecode may or may not be legal.
   // This call checks to see if an exception may be raised by

hotspot/src/share/vm/ci/ciInstance.cpp

@@ -36,7 +36,7 @@ ciType* ciInstance::java_mirror_type() {
   VM_ENTRY_MARK;
   oop m = get_oop();
   // Return NULL if it is not java.lang.Class.
-  if (m == NULL || m->klass() != SystemDictionary::class_klass()) {
+  if (m == NULL || m->klass() != SystemDictionary::Class_klass()) {
     return NULL;
   }
   // Return either a primitive type or a klass.

hotspot/src/share/vm/ci/ciInstanceKlass.cpp

@@ -75,7 +75,7 @@ ciInstanceKlass::ciInstanceKlass(KlassHandle h_k) :
   _java_mirror = NULL;
 
   if (is_shared()) {
-    if (h_k() != SystemDictionary::object_klass()) {
+    if (h_k() != SystemDictionary::Object_klass()) {
       super();
     }
     java_mirror();
@@ -232,8 +232,48 @@ bool ciInstanceKlass::is_java_lang_Object() {
 // ------------------------------------------------------------------
 // ciInstanceKlass::uses_default_loader
 bool ciInstanceKlass::uses_default_loader() {
-  VM_ENTRY_MARK;
+  // Note:  We do not need to resolve the handle or enter the VM
-  return loader() == NULL;
+  // in order to test null-ness.
+  return _loader == NULL;
+}
+
+// ------------------------------------------------------------------
+// ciInstanceKlass::is_in_package
+//
+// Is this klass in the given package?
+bool ciInstanceKlass::is_in_package(const char* packagename, int len) {
+  // To avoid class loader mischief, this test always rejects application classes.
+  if (!uses_default_loader())
+    return false;
+  GUARDED_VM_ENTRY(
+    return is_in_package_impl(packagename, len);
+  )
+}
+
+bool ciInstanceKlass::is_in_package_impl(const char* packagename, int len) {
+  ASSERT_IN_VM;
+
+  // If packagename contains trailing '/' exclude it from the
+  // prefix-test since we test for it explicitly.
+  if (packagename[len - 1] == '/')
+    len--;
+
+  if (!name()->starts_with(packagename, len))
+    return false;
+
+  // Test if the class name is something like "java/lang".
+  if ((len + 1) > name()->utf8_length())
+    return false;
+
+  // Test for trailing '/'
+  if ((char) name()->byte_at(len) != '/')
+    return false;
+
+  // Make sure it's not actually in a subpackage:
+  if (name()->index_of_at(len+1, "/", 1) >= 0)
+    return false;
+
+  return true;
 }
 
 // ------------------------------------------------------------------

hotspot/src/share/vm/ci/ciInstanceKlass.hpp

@@ -29,10 +29,11 @@
 // be loaded.
 class ciInstanceKlass : public ciKlass {
   CI_PACKAGE_ACCESS
+  friend class ciBytecodeStream;
   friend class ciEnv;
+  friend class ciExceptionHandler;
   friend class ciMethod;
   friend class ciField;
-  friend class ciBytecodeStream;
 
 private:
   jobject                _loader;
@@ -78,6 +79,8 @@ protected:
 
   const char* type_string() { return "ciInstanceKlass"; }
 
+  bool is_in_package_impl(const char* packagename, int len);
+
   void print_impl(outputStream* st);
 
   ciConstantPoolCache* field_cache();
@@ -196,6 +199,12 @@ public:
 
   bool is_java_lang_Object();
 
+  // Is this klass in the given package?
+  bool is_in_package(const char* packagename) {
+    return is_in_package(packagename, (int) strlen(packagename));
+  }
+  bool is_in_package(const char* packagename, int len);
+
   // What kind of ciObject is this?
   bool is_instance_klass() { return true; }
   bool is_java_klass()     { return true; }

hotspot/src/share/vm/ci/ciKlass.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it

hotspot/src/share/vm/ci/ciKlass.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -69,7 +69,7 @@ public:
   ciKlass(KlassHandle k_h);
 
   // What is the name of this klass?
-  ciSymbol* name() { return _name; }
+  ciSymbol* name() const { return _name; }
 
   // What is its layout helper value?
   jint layout_helper() { return _layout_helper; }

hotspot/src/share/vm/ci/ciMethod.cpp

@@ -687,7 +687,7 @@ int ciMethod::scale_count(int count, float prof_factor) {
 // ------------------------------------------------------------------
 // invokedynamic support
 //
-bool ciMethod::is_method_handle_invoke() {
+bool ciMethod::is_method_handle_invoke() const {
   check_is_loaded();
   bool flag = ((flags().as_int() & JVM_MH_INVOKE_BITS) == JVM_MH_INVOKE_BITS);
 #ifdef ASSERT

hotspot/src/share/vm/ci/ciMethod.hpp

@@ -38,6 +38,8 @@ class ciMethod : public ciObject {
   CI_PACKAGE_ACCESS
   friend class ciEnv;
   friend class ciExceptionHandlerStream;
+  friend class ciBytecodeStream;
+  friend class ciMethodHandle;
 
  private:
   // General method information.
@@ -213,7 +215,7 @@ class ciMethod : public ciObject {
   bool check_call(int refinfo_index, bool is_static) const;
   void build_method_data();  // make sure it exists in the VM also
   int scale_count(int count, float prof_factor = 1.);  // make MDO count commensurate with IIC
-  bool is_method_handle_invoke();
+  bool is_method_handle_invoke() const;
   ciInstance* method_handle_type();
 
   // What kind of ciObject is this?
@@ -251,4 +253,10 @@ class ciMethod : public ciObject {
   // Print the name of this method in various incarnations.
   void print_name(outputStream* st = tty);
   void print_short_name(outputStream* st = tty);
+
+  methodOop get_method_handle_target() {
+    klassOop receiver_limit_oop = NULL;
+    int flags = 0;
+    return MethodHandles::decode_method(get_oop(), receiver_limit_oop, flags);
+  }
 };

hotspot/src/share/vm/ci/ciMethodHandle.cpp

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+#include "incls/_precompiled.incl"
+#include "incls/_ciMethodHandle.cpp.incl"
+
+// ciMethodHandle
+
+// ------------------------------------------------------------------
+// ciMethodHandle::get_adapter
+//
+// Return an adapter for this MethodHandle.
+ciMethod* ciMethodHandle::get_adapter(bool is_invokedynamic) const {
+  VM_ENTRY_MARK;
+
+  Handle h(get_oop());
+  methodHandle callee(_callee->get_methodOop());
+  MethodHandleCompiler mhc(h, callee, is_invokedynamic, THREAD);
+  methodHandle m = mhc.compile(CHECK_NULL);
+  return CURRENT_ENV->get_object(m())->as_method();
+}
+
+
+// ------------------------------------------------------------------
+// ciMethodHandle::print_impl
+//
+// Implementation of the print method.
+void ciMethodHandle::print_impl(outputStream* st) {
+  st->print(" type=");
+  get_oop()->print();
+}

hotspot/src/share/vm/ci/ciMethodHandle.hpp

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// ciMethodHandle
+//
+// The class represents a java.dyn.MethodHandle object.
+class ciMethodHandle : public ciInstance {
+private:
+  ciMethod* _callee;
+
+  // Return an adapter for this MethodHandle.
+  ciMethod* get_adapter(bool is_invokedynamic) const;
+
+protected:
+  void print_impl(outputStream* st);
+
+public:
+  ciMethodHandle(instanceHandle h_i) : ciInstance(h_i) {};
+
+  // What kind of ciObject is this?
+  bool is_method_handle() const { return true; }
+
+  ciMethod* callee() const { return _callee; }
+  void  set_callee(ciMethod* m) { _callee = m; }
+
+  // Return an adapter for a MethodHandle call.
+  ciMethod* get_method_handle_adapter() const {
+    return get_adapter(false);
+  }
+
+  // Return an adapter for an invokedynamic call.
+  ciMethod* get_invokedynamic_adapter() const {
+    return get_adapter(true);
+  }
+};

hotspot/src/share/vm/ci/ciObject.hpp

@@ -131,9 +131,12 @@ public:
 
   // What kind of ciObject is this?
   virtual bool is_null_object() const       { return false; }
+  virtual bool is_call_site() const         { return false; }
+  virtual bool is_cpcache() const           { return false; }
   virtual bool is_instance()                { return false; }
   virtual bool is_method()                  { return false; }
   virtual bool is_method_data()             { return false; }
+  virtual bool is_method_handle() const     { return false; }
   virtual bool is_array()                   { return false; }
   virtual bool is_obj_array()               { return false; }
   virtual bool is_type_array()              { return false; }
@@ -185,6 +188,14 @@ public:
     assert(is_null_object(), "bad cast");
     return (ciNullObject*)this;
   }
+  ciCallSite*              as_call_site() {
+    assert(is_call_site(), "bad cast");
+    return (ciCallSite*) this;
+  }
+  ciCPCache*               as_cpcache() {
+    assert(is_cpcache(), "bad cast");
+    return (ciCPCache*) this;
+  }
   ciInstance*              as_instance() {
     assert(is_instance(), "bad cast");
     return (ciInstance*)this;
@@ -197,6 +208,10 @@ public:
     assert(is_method_data(), "bad cast");
     return (ciMethodData*)this;
   }
+  ciMethodHandle*          as_method_handle() {
+    assert(is_method_handle(), "bad cast");
+    return (ciMethodHandle*) this;
+  }
   ciArray*                 as_array() {
     assert(is_array(), "bad cast");
     return (ciArray*)this;

hotspot/src/share/vm/ci/ciObjectFactory.cpp

@@ -144,39 +144,13 @@ void ciObjectFactory::init_shared_objects() {
   ciEnv::_obj_array_klass_klass_instance =
     get(Universe::objArrayKlassKlassObj())
       ->as_obj_array_klass_klass();
-  ciEnv::_ArrayStoreException =
+
-    get(SystemDictionary::ArrayStoreException_klass())
+#define WK_KLASS_DEFN(name, ignore_s, opt)                              \
-      ->as_instance_klass();
+  if (SystemDictionary::name() != NULL) \
-  ciEnv::_Class =
+    ciEnv::_##name = get(SystemDictionary::name())->as_instance_klass();
-    get(SystemDictionary::class_klass())
+
-      ->as_instance_klass();
+  WK_KLASSES_DO(WK_KLASS_DEFN)
-  ciEnv::_ClassCastException =
+#undef WK_KLASS_DEFN
-    get(SystemDictionary::ClassCastException_klass())
-      ->as_instance_klass();
-  ciEnv::_Object =
-    get(SystemDictionary::object_klass())
-      ->as_instance_klass();
-  ciEnv::_Throwable =
-    get(SystemDictionary::throwable_klass())
-      ->as_instance_klass();
-  ciEnv::_Thread =
-    get(SystemDictionary::thread_klass())
-      ->as_instance_klass();
-  ciEnv::_OutOfMemoryError =
-    get(SystemDictionary::OutOfMemoryError_klass())
-      ->as_instance_klass();
-  ciEnv::_String =
-    get(SystemDictionary::string_klass())
-      ->as_instance_klass();
-  ciEnv::_StringBuffer =
-    get(SystemDictionary::stringBuffer_klass())
-      ->as_instance_klass();
-  ciEnv::_StringBuilder =
-    get(SystemDictionary::StringBuilder_klass())
-      ->as_instance_klass();
-  ciEnv::_Integer =
-    get(SystemDictionary::int_klass())
-      ->as_instance_klass();
 
   for (int len = -1; len != _ci_objects->length(); ) {
     len = _ci_objects->length();
@@ -333,13 +307,21 @@ ciObject* ciObjectFactory::create_new_object(oop o) {
     return new (arena()) ciMethodData(h_md);
   } else if (o->is_instance()) {
     instanceHandle h_i(THREAD, (instanceOop)o);
-    return new (arena()) ciInstance(h_i);
+    if (java_dyn_CallSite::is_instance(o))
+      return new (arena()) ciCallSite(h_i);
+    else if (java_dyn_MethodHandle::is_instance(o))
+      return new (arena()) ciMethodHandle(h_i);
+    else
+      return new (arena()) ciInstance(h_i);
   } else if (o->is_objArray()) {
     objArrayHandle h_oa(THREAD, (objArrayOop)o);
     return new (arena()) ciObjArray(h_oa);
   } else if (o->is_typeArray()) {
     typeArrayHandle h_ta(THREAD, (typeArrayOop)o);
     return new (arena()) ciTypeArray(h_ta);
+  } else if (o->is_constantPoolCache()) {
+    constantPoolCacheHandle h_cpc(THREAD, (constantPoolCacheOop) o);
+    return new (arena()) ciCPCache(h_cpc);
   }
 
   // The oop is of some type not supported by the compiler interface.
@@ -576,7 +558,7 @@ ciObjectFactory::NonPermObject* &ciObjectFactory::find_non_perm(oop key) {
   if (key->is_perm() && _non_perm_count == 0) {
     return emptyBucket;
   } else if (key->is_instance()) {
-    if (key->klass() == SystemDictionary::class_klass()) {
+    if (key->klass() == SystemDictionary::Class_klass()) {
       // class mirror instances are always perm
       return emptyBucket;
     }

hotspot/src/share/vm/ci/ciStreams.cpp

@@ -186,8 +186,9 @@ int ciBytecodeStream::get_klass_index() const {
 // If this bytecode is a new, newarray, multianewarray, instanceof,
 // or checkcast, get the referenced klass.
 ciKlass* ciBytecodeStream::get_klass(bool& will_link) {
-  return CURRENT_ENV->get_klass_by_index(_holder, get_klass_index(),
+  VM_ENTRY_MARK;
-                                         will_link);
+  constantPoolHandle cpool(_method->get_methodOop()->constants());
+  return CURRENT_ENV->get_klass_by_index(cpool, get_klass_index(), will_link, _holder);
 }
 
 // ------------------------------------------------------------------
@@ -213,7 +214,9 @@ int ciBytecodeStream::get_constant_index() const {
 // If this bytecode is one of the ldc variants, get the referenced
 // constant.
 ciConstant ciBytecodeStream::get_constant() {
-  return CURRENT_ENV->get_constant_by_index(_holder, get_constant_index());
+  VM_ENTRY_MARK;
+  constantPoolHandle cpool(_method->get_methodOop()->constants());
+  return CURRENT_ENV->get_constant_by_index(cpool, get_constant_index(), _holder);
 }
 
 // ------------------------------------------------------------------
@@ -264,9 +267,11 @@ ciField* ciBytecodeStream::get_field(bool& will_link) {
 // There is no "will_link" result passed back.  The user is responsible
 // for checking linkability when retrieving the associated field.
 ciInstanceKlass* ciBytecodeStream::get_declared_field_holder() {
+  VM_ENTRY_MARK;
+  constantPoolHandle cpool(_method->get_methodOop()->constants());
   int holder_index = get_field_holder_index();
   bool ignore;
-  return CURRENT_ENV->get_klass_by_index(_holder, holder_index, ignore)
+  return CURRENT_ENV->get_klass_by_index(cpool, holder_index, ignore, _holder)
       ->as_instance_klass();
 }
 
@@ -277,9 +282,10 @@ ciInstanceKlass* ciBytecodeStream::get_declared_field_holder() {
 // referenced by the current bytecode.  Used for generating
 // deoptimization information.
 int ciBytecodeStream::get_field_holder_index() {
-  VM_ENTRY_MARK;
+  GUARDED_VM_ENTRY(
-  constantPoolOop cpool = _holder->get_instanceKlass()->constants();
+    constantPoolOop cpool = _holder->get_instanceKlass()->constants();
-  return cpool->klass_ref_index_at(get_field_index());
+    return cpool->klass_ref_index_at(get_field_index());
+  )
 }
 
 // ------------------------------------------------------------------
@@ -321,7 +327,9 @@ int ciBytecodeStream::get_method_index() {
 //
 // If this is a method invocation bytecode, get the invoked method.
 ciMethod* ciBytecodeStream::get_method(bool& will_link) {
-  ciMethod* m = CURRENT_ENV->get_method_by_index(_holder, get_method_index(),cur_bc());
+  VM_ENTRY_MARK;
+  constantPoolHandle cpool(_method->get_methodOop()->constants());
+  ciMethod* m = CURRENT_ENV->get_method_by_index(cpool, get_method_index(), cur_bc(), _holder);
   will_link = m->is_loaded();
   return m;
 }
@@ -338,11 +346,13 @@ ciMethod* ciBytecodeStream::get_method(bool& will_link) {
 // There is no "will_link" result passed back.  The user is responsible
 // for checking linkability when retrieving the associated method.
 ciKlass* ciBytecodeStream::get_declared_method_holder() {
+  VM_ENTRY_MARK;
+  constantPoolHandle cpool(_method->get_methodOop()->constants());
   bool ignore;
-  // report as Dynamic for invokedynamic, which is syntactically classless
+  // report as InvokeDynamic for invokedynamic, which is syntactically classless
   if (cur_bc() == Bytecodes::_invokedynamic)
-    return CURRENT_ENV->get_klass_by_name(_holder, ciSymbol::java_dyn_Dynamic(), false);
+    return CURRENT_ENV->get_klass_by_name(_holder, ciSymbol::java_dyn_InvokeDynamic(), false);
-  return CURRENT_ENV->get_klass_by_index(_holder, get_method_holder_index(), ignore);
+  return CURRENT_ENV->get_klass_by_index(cpool, get_method_holder_index(), ignore, _holder);
 }
 
 // ------------------------------------------------------------------
@@ -352,8 +362,7 @@ ciKlass* ciBytecodeStream::get_declared_method_holder() {
 // referenced by the current bytecode.  Used for generating
 // deoptimization information.
 int ciBytecodeStream::get_method_holder_index() {
-  VM_ENTRY_MARK;
+  constantPoolOop cpool = _method->get_methodOop()->constants();
-  constantPoolOop cpool = _holder->get_instanceKlass()->constants();
   return cpool->klass_ref_index_at(get_method_index());
 }
 
@@ -370,3 +379,31 @@ int ciBytecodeStream::get_method_signature_index() {
   int name_and_type_index = cpool->name_and_type_ref_index_at(method_index);
   return cpool->signature_ref_index_at(name_and_type_index);
 }
+
+// ------------------------------------------------------------------
+// ciBytecodeStream::get_cpcache
+ciCPCache* ciBytecodeStream::get_cpcache() {
+  VM_ENTRY_MARK;
+  // Get the constant pool.
+  constantPoolOop      cpool   = _holder->get_instanceKlass()->constants();
+  constantPoolCacheOop cpcache = cpool->cache();
+
+  return CURRENT_ENV->get_object(cpcache)->as_cpcache();
+}
+
+// ------------------------------------------------------------------
+// ciBytecodeStream::get_call_site
+ciCallSite* ciBytecodeStream::get_call_site() {
+  VM_ENTRY_MARK;
+  // Get the constant pool.
+  constantPoolOop      cpool   = _holder->get_instanceKlass()->constants();
+  constantPoolCacheOop cpcache = cpool->cache();
+
+  // Get the CallSite from the constant pool cache.
+  int method_index = get_method_index();
+  ConstantPoolCacheEntry* cpcache_entry = cpcache->secondary_entry_at(method_index);
+  oop call_site_oop = cpcache_entry->f1();
+
+  // Create a CallSite object and return it.
+  return CURRENT_ENV->get_object(call_site_oop)->as_call_site();
+}

hotspot/src/share/vm/ci/ciStreams.hpp

@@ -232,6 +232,9 @@ public:
   int       get_method_holder_index();
   int       get_method_signature_index();
 
+  ciCPCache*  get_cpcache();
+  ciCallSite* get_call_site();
+
  private:
   void assert_index_size(int required_size) const {
 #ifdef ASSERT

hotspot/src/share/vm/ci/ciSymbol.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -59,6 +59,22 @@ int ciSymbol::byte_at(int i) {
   GUARDED_VM_ENTRY(return get_symbolOop()->byte_at(i);)
 }
 
+// ------------------------------------------------------------------
+// ciSymbol::starts_with
+//
+// Tests if the symbol starts with the given prefix.
+bool ciSymbol::starts_with(const char* prefix, int len) const {
+  GUARDED_VM_ENTRY(return get_symbolOop()->starts_with(prefix, len);)
+}
+
+// ------------------------------------------------------------------
+// ciSymbol::index_of
+//
+// Determines where the symbol contains the given substring.
+int ciSymbol::index_of_at(int i, const char* str, int len) const {
+  GUARDED_VM_ENTRY(return get_symbolOop()->index_of_at(i, str, len);)
+}
+
 // ------------------------------------------------------------------
 // ciSymbol::utf8_length
 int ciSymbol::utf8_length() {

hotspot/src/share/vm/ci/ciSymbol.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2001 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,6 +28,7 @@
 // machine.
 class ciSymbol : public ciObject {
   CI_PACKAGE_ACCESS
+  // These friends all make direct use of get_symbolOop:
   friend class ciEnv;
   friend class ciInstanceKlass;
   friend class ciSignature;
@@ -38,13 +39,13 @@ private:
   ciSymbol(symbolOop s) : ciObject(s) {}
   ciSymbol(symbolHandle s);   // for use with vmSymbolHandles
 
-  symbolOop get_symbolOop() { return (symbolOop)get_oop(); }
+  symbolOop get_symbolOop() const { return (symbolOop)get_oop(); }
 
   const char* type_string() { return "ciSymbol"; }
 
   void print_impl(outputStream* st);
 
-  int         byte_at(int i);
+  // This is public in symbolOop but private here, because the base can move:
   jbyte*      base();
 
   // Make a ciSymbol from a C string (implementation).
@@ -55,6 +56,15 @@ public:
   const char* as_utf8();
   int         utf8_length();
 
+  // Return the i-th utf8 byte, where i < utf8_length
+  int         byte_at(int i);
+
+  // Tests if the symbol starts with the given prefix.
+  bool starts_with(const char* prefix, int len) const;
+
+  // Determines where the symbol contains the given substring.
+  int index_of_at(int i, const char* str, int len) const;
+
   // What kind of ciObject is this?
   bool is_symbol() { return true; }
 

hotspot/src/share/vm/ci/ciType.cpp

@@ -111,7 +111,7 @@ ciType* ciType::make(BasicType t) {
   // short, etc.
   // Note: Bare T_ADDRESS means a raw pointer type, not a return_address.
   assert((uint)t < T_CONFLICT+1, "range check");
-  if (t == T_OBJECT)  return ciEnv::_Object;  // java/lang/Object
+  if (t == T_OBJECT)  return ciEnv::_Object_klass;  // java/lang/Object
   assert(_basic_types[t] != NULL, "domain check");
   return _basic_types[t];
 }

hotspot/src/share/vm/ci/ciTypeFlow.cpp

@@ -635,8 +635,15 @@ void ciTypeFlow::StateVector::do_invoke(ciBytecodeStream* str,
   ciMethod* method = str->get_method(will_link);
   if (!will_link) {
     // We weren't able to find the method.
-    ciKlass* unloaded_holder = method->holder();
+    if (str->cur_bc() == Bytecodes::_invokedynamic) {
-    trap(str, unloaded_holder, str->get_method_holder_index());
+      trap(str, NULL,
+           Deoptimization::make_trap_request
+           (Deoptimization::Reason_uninitialized,
+            Deoptimization::Action_reinterpret));
+    } else {
+      ciKlass* unloaded_holder = method->holder();
+      trap(str, unloaded_holder, str->get_method_holder_index());
+    }
   } else {
     ciSignature* signature = method->signature();
     ciSignatureStream sigstr(signature);
@@ -1292,8 +1299,8 @@ bool ciTypeFlow::StateVector::apply_one_bytecode(ciBytecodeStream* str) {
   case Bytecodes::_invokeinterface: do_invoke(str, true);           break;
   case Bytecodes::_invokespecial:   do_invoke(str, true);           break;
   case Bytecodes::_invokestatic:    do_invoke(str, false);          break;
-
   case Bytecodes::_invokevirtual:   do_invoke(str, true);           break;
+  case Bytecodes::_invokedynamic:   do_invoke(str, false);          break;
 
   case Bytecodes::_istore:   store_local_int(str->get_index());     break;
   case Bytecodes::_istore_0: store_local_int(0);                    break;

hotspot/src/share/vm/ci/ciUtilities.hpp

@@ -79,7 +79,7 @@
   THREAD);                                       \
   if (HAS_PENDING_EXCEPTION) {                   \
     if (PENDING_EXCEPTION->klass() ==            \
-        SystemDictionary::threaddeath_klass()) { \
+        SystemDictionary::ThreadDeath_klass()) { \
       /* Kill the compilation. */                \
       fatal("unhandled ci exception");           \
       return (result);                           \

hotspot/src/share/vm/classfile/classFileParser.cpp

@@ -430,7 +430,7 @@ void ClassFileParser::patch_constant_pool(constantPoolHandle cp, int index, Hand
   case JVM_CONSTANT_UnresolvedClass :
     // Patching a class means pre-resolving it.
     // The name in the constant pool is ignored.
-    if (patch->klass() == SystemDictionary::class_klass()) { // %%% java_lang_Class::is_instance
+    if (patch->klass() == SystemDictionary::Class_klass()) { // %%% java_lang_Class::is_instance
       guarantee_property(!java_lang_Class::is_primitive(patch()),
                          "Illegal class patch at %d in class file %s",
                          index, CHECK);
@@ -643,7 +643,7 @@ void ClassFileParser::verify_constantvalue(int constantvalue_index, int signatur
       guarantee_property(value_type.is_int(), "Inconsistent constant value type in class file %s", CHECK);
       break;
     case T_OBJECT:
-      guarantee_property((cp->symbol_at(signature_index)->equals("Ljava/lang/String;", 18)
+      guarantee_property((cp->symbol_at(signature_index)->equals("Ljava/lang/String;")
                          && (value_type.is_string() || value_type.is_unresolved_string())),
                          "Bad string initial value in class file %s", CHECK);
       break;
@@ -1718,9 +1718,7 @@ methodHandle ClassFileParser::parse_method(constantPoolHandle cp, bool is_interf
   m->set_exception_table(exception_handlers());
 
   // Copy byte codes
-  if (code_length > 0) {
+  m->set_code(code_start);
-    memcpy(m->code_base(), code_start, code_length);
-  }
 
   // Copy line number table
   if (linenumber_table != NULL) {
@@ -3471,8 +3469,8 @@ void ClassFileParser::set_precomputed_flags(instanceKlassHandle k) {
 #endif
 
   // Check if this klass supports the java.lang.Cloneable interface
-  if (SystemDictionary::cloneable_klass_loaded()) {
+  if (SystemDictionary::Cloneable_klass_loaded()) {
-    if (k->is_subtype_of(SystemDictionary::cloneable_klass())) {
+    if (k->is_subtype_of(SystemDictionary::Cloneable_klass())) {
       k->set_is_cloneable();
     }
   }
@@ -4178,7 +4176,7 @@ char* ClassFileParser::skip_over_field_name(char* name, bool slash_ok, unsigned
       // Check if ch is Java identifier start or is Java identifier part
       // 4672820: call java.lang.Character methods directly without generating separate tables.
       EXCEPTION_MARK;
-      instanceKlassHandle klass (THREAD, SystemDictionary::char_klass());
+      instanceKlassHandle klass (THREAD, SystemDictionary::Character_klass());
 
       // return value
       JavaValue result(T_BOOLEAN);

hotspot/src/share/vm/classfile/classLoader.cpp

@@ -819,7 +819,7 @@ objArrayOop ClassLoader::get_system_packages(TRAPS) {
     _package_hash_table->copy_pkgnames(packages);
   }
   // Allocate objArray and fill with java.lang.String
-  objArrayOop r = oopFactory::new_objArray(SystemDictionary::string_klass(),
+  objArrayOop r = oopFactory::new_objArray(SystemDictionary::String_klass(),
                                            nof_entries, CHECK_0);
   objArrayHandle result(THREAD, r);
   for (int i = 0; i < nof_entries; i++) {

hotspot/src/share/vm/classfile/javaAssertions.cpp

@@ -95,14 +95,14 @@ oop JavaAssertions::createAssertionStatusDirectives(TRAPS) {
   int len;
   typeArrayOop t;
   len = OptionList::count(_packages);
-  objArrayOop pn = oopFactory::new_objArray(SystemDictionary::string_klass(), len, CHECK_NULL);
+  objArrayOop pn = oopFactory::new_objArray(SystemDictionary::String_klass(), len, CHECK_NULL);
   objArrayHandle pkgNames (THREAD, pn);
   t = oopFactory::new_typeArray(T_BOOLEAN, len, CHECK_NULL);
   typeArrayHandle pkgEnabled(THREAD, t);
   fillJavaArrays(_packages, len, pkgNames, pkgEnabled, CHECK_NULL);
 
   len = OptionList::count(_classes);
-  objArrayOop cn = oopFactory::new_objArray(SystemDictionary::string_klass(), len, CHECK_NULL);
+  objArrayOop cn = oopFactory::new_objArray(SystemDictionary::String_klass(), len, CHECK_NULL);
   objArrayHandle classNames (THREAD, cn);
   t = oopFactory::new_typeArray(T_BOOLEAN, len, CHECK_NULL);
   typeArrayHandle classEnabled(THREAD, t);

hotspot/src/share/vm/classfile/javaClasses.cpp

@@ -68,9 +68,9 @@ Handle java_lang_String::basic_create(int length, bool tenured, TRAPS) {
   // and the char array it points to end up in the same cache line.
   oop obj;
   if (tenured) {
-    obj = instanceKlass::cast(SystemDictionary::string_klass())->allocate_permanent_instance(CHECK_NH);
+    obj = instanceKlass::cast(SystemDictionary::String_klass())->allocate_permanent_instance(CHECK_NH);
   } else {
-    obj = instanceKlass::cast(SystemDictionary::string_klass())->allocate_instance(CHECK_NH);
+    obj = instanceKlass::cast(SystemDictionary::String_klass())->allocate_instance(CHECK_NH);
   }
 
   // Create the char array.  The String object must be handlized here
@@ -293,7 +293,7 @@ char* java_lang_String::as_utf8_string(oop java_string, int start, int len) {
 
 bool java_lang_String::equals(oop java_string, jchar* chars, int len) {
   assert(SharedSkipVerify ||
-         java_string->klass() == SystemDictionary::string_klass(),
+         java_string->klass() == SystemDictionary::String_klass(),
          "must be java_string");
   typeArrayOop value  = java_lang_String::value(java_string);
   int          offset = java_lang_String::offset(java_string);
@@ -311,7 +311,7 @@ bool java_lang_String::equals(oop java_string, jchar* chars, int len) {
 
 void java_lang_String::print(Handle java_string, outputStream* st) {
   oop          obj    = java_string();
-  assert(obj->klass() == SystemDictionary::string_klass(), "must be java_string");
+  assert(obj->klass() == SystemDictionary::String_klass(), "must be java_string");
   typeArrayOop value  = java_lang_String::value(obj);
   int          offset = java_lang_String::offset(obj);
   int          length = java_lang_String::length(obj);
@@ -339,9 +339,9 @@ oop java_lang_Class::create_mirror(KlassHandle k, TRAPS) {
   // class is put into the system dictionary.
   int computed_modifiers = k->compute_modifier_flags(CHECK_0);
   k->set_modifier_flags(computed_modifiers);
-  if (SystemDictionary::class_klass_loaded()) {
+  if (SystemDictionary::Class_klass_loaded()) {
     // Allocate mirror (java.lang.Class instance)
-    Handle mirror = instanceKlass::cast(SystemDictionary::class_klass())->allocate_permanent_instance(CHECK_0);
+    Handle mirror = instanceKlass::cast(SystemDictionary::Class_klass())->allocate_permanent_instance(CHECK_0);
     // Setup indirections
     mirror->obj_field_put(klass_offset,  k());
     k->set_java_mirror(mirror());
@@ -378,7 +378,7 @@ oop java_lang_Class::create_mirror(KlassHandle k, TRAPS) {
 oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) {
   // This should be improved by adding a field at the Java level or by
   // introducing a new VM klass (see comment in ClassFileParser)
-  oop java_class = instanceKlass::cast(SystemDictionary::class_klass())->allocate_permanent_instance(CHECK_0);
+  oop java_class = instanceKlass::cast(SystemDictionary::Class_klass())->allocate_permanent_instance(CHECK_0);
   if (type != T_VOID) {
     klassOop aklass = Universe::typeArrayKlassObj(type);
     assert(aklass != NULL, "correct bootstrap");
@@ -502,7 +502,7 @@ BasicType java_lang_Class::as_BasicType(oop java_class, klassOop* reference_klas
 
 oop java_lang_Class::primitive_mirror(BasicType t) {
   oop mirror = Universe::java_mirror(t);
-  assert(mirror != NULL && mirror->is_a(SystemDictionary::class_klass()), "must be a Class");
+  assert(mirror != NULL && mirror->is_a(SystemDictionary::Class_klass()), "must be a Class");
   assert(java_lang_Class::is_primitive(mirror), "must be primitive");
   return mirror;
 }
@@ -515,14 +515,14 @@ void java_lang_Class::compute_offsets() {
   assert(!offsets_computed, "offsets should be initialized only once");
   offsets_computed = true;
 
-  klassOop k = SystemDictionary::class_klass();
+  klassOop k = SystemDictionary::Class_klass();
   // The classRedefinedCount field is only present starting in 1.5,
   // so don't go fatal.
   compute_optional_offset(classRedefinedCount_offset,
     k, vmSymbols::classRedefinedCount_name(), vmSymbols::int_signature());
 
   // The field indicating parallelCapable (parallelLockMap) is only present starting in 7,
-  klassOop k1 = SystemDictionary::classloader_klass();
+  klassOop k1 = SystemDictionary::ClassLoader_klass();
   compute_optional_offset(parallelCapable_offset,
     k1, vmSymbols::parallelCapable_name(), vmSymbols::concurrenthashmap_signature());
 }
@@ -588,7 +588,7 @@ int java_lang_Thread::_park_event_offset = 0 ;
 void java_lang_Thread::compute_offsets() {
   assert(_group_offset == 0, "offsets should be initialized only once");
 
-  klassOop k = SystemDictionary::thread_klass();
+  klassOop k = SystemDictionary::Thread_klass();
   compute_offset(_name_offset,      k, vmSymbols::name_name(),      vmSymbols::char_array_signature());
   compute_offset(_group_offset,     k, vmSymbols::group_name(),     vmSymbols::threadgroup_signature());
   compute_offset(_contextClassLoader_offset, k, vmSymbols::contextClassLoader_name(), vmSymbols::classloader_signature());
@@ -847,7 +847,7 @@ bool java_lang_ThreadGroup::is_vmAllowSuspension(oop java_thread_group) {
 void java_lang_ThreadGroup::compute_offsets() {
   assert(_parent_offset == 0, "offsets should be initialized only once");
 
-  klassOop k = SystemDictionary::threadGroup_klass();
+  klassOop k = SystemDictionary::ThreadGroup_klass();
 
   compute_offset(_parent_offset,      k, vmSymbols::parent_name(),      vmSymbols::threadgroup_signature());
   compute_offset(_name_offset,        k, vmSymbols::name_name(),        vmSymbols::string_signature());
@@ -1344,7 +1344,7 @@ void java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(Handle t
   // No-op if stack trace is disabled
   if (!StackTraceInThrowable) return;
 
-  assert(throwable->is_a(SystemDictionary::throwable_klass()), "sanity check");
+  assert(throwable->is_a(SystemDictionary::Throwable_klass()), "sanity check");
 
   oop backtrace = java_lang_Throwable::backtrace(throwable());
   assert(backtrace != NULL, "backtrace not preallocated");
@@ -1449,7 +1449,7 @@ oop java_lang_StackTraceElement::create(methodHandle method, int bci, TRAPS) {
   assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4");
 
   // Allocate java.lang.StackTraceElement instance
-  klassOop k = SystemDictionary::stackTraceElement_klass();
+  klassOop k = SystemDictionary::StackTraceElement_klass();
   assert(k != NULL, "must be loaded in 1.4+");
   instanceKlassHandle ik (THREAD, k);
   if (ik->should_be_initialized()) {
@@ -1487,7 +1487,7 @@ oop java_lang_StackTraceElement::create(methodHandle method, int bci, TRAPS) {
 
 
 void java_lang_reflect_AccessibleObject::compute_offsets() {
-  klassOop k = SystemDictionary::reflect_accessible_object_klass();
+  klassOop k = SystemDictionary::reflect_AccessibleObject_klass();
   compute_offset(override_offset, k, vmSymbols::override_name(), vmSymbols::bool_signature());
 }
 
@@ -1502,7 +1502,7 @@ void java_lang_reflect_AccessibleObject::set_override(oop reflect, jboolean valu
 }
 
 void java_lang_reflect_Method::compute_offsets() {
-  klassOop k = SystemDictionary::reflect_method_klass();
+  klassOop k = SystemDictionary::reflect_Method_klass();
   compute_offset(clazz_offset,          k, vmSymbols::clazz_name(),          vmSymbols::class_signature());
   compute_offset(name_offset,           k, vmSymbols::name_name(),           vmSymbols::string_signature());
   compute_offset(returnType_offset,     k, vmSymbols::returnType_name(),     vmSymbols::class_signature());
@@ -1523,7 +1523,7 @@ void java_lang_reflect_Method::compute_offsets() {
 
 Handle java_lang_reflect_Method::create(TRAPS) {
   assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
-  klassOop klass = SystemDictionary::reflect_method_klass();
+  klassOop klass = SystemDictionary::reflect_Method_klass();
   // This class is eagerly initialized during VM initialization, since we keep a refence
   // to one of the methods
   assert(instanceKlass::cast(klass)->is_initialized(), "must be initialized");
@@ -1665,7 +1665,7 @@ void java_lang_reflect_Method::set_annotation_default(oop method, oop value) {
 }
 
 void java_lang_reflect_Constructor::compute_offsets() {
-  klassOop k = SystemDictionary::reflect_constructor_klass();
+  klassOop k = SystemDictionary::reflect_Constructor_klass();
   compute_offset(clazz_offset,          k, vmSymbols::clazz_name(),          vmSymbols::class_signature());
   compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature());
   compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature());
@@ -1789,7 +1789,7 @@ void java_lang_reflect_Constructor::set_parameter_annotations(oop method, oop va
 }
 
 void java_lang_reflect_Field::compute_offsets() {
-  klassOop k = SystemDictionary::reflect_field_klass();
+  klassOop k = SystemDictionary::reflect_Field_klass();
   compute_offset(clazz_offset,     k, vmSymbols::clazz_name(),     vmSymbols::class_signature());
   compute_offset(name_offset,      k, vmSymbols::name_name(),      vmSymbols::string_signature());
   compute_offset(type_offset,      k, vmSymbols::type_name(),      vmSymbols::class_signature());
@@ -1896,7 +1896,7 @@ void java_lang_reflect_Field::set_annotations(oop field, oop value) {
 
 
 void sun_reflect_ConstantPool::compute_offsets() {
-  klassOop k = SystemDictionary::reflect_constant_pool_klass();
+  klassOop k = SystemDictionary::reflect_ConstantPool_klass();
   // This null test can be removed post beta
   if (k != NULL) {
     compute_offset(_cp_oop_offset, k, vmSymbols::constantPoolOop_name(), vmSymbols::object_signature());
@@ -1906,7 +1906,7 @@ void sun_reflect_ConstantPool::compute_offsets() {
 
 Handle sun_reflect_ConstantPool::create(TRAPS) {
   assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
-  klassOop k = SystemDictionary::reflect_constant_pool_klass();
+  klassOop k = SystemDictionary::reflect_ConstantPool_klass();
   instanceKlassHandle klass (THREAD, k);
   // Ensure it is initialized
   klass->initialize(CHECK_NH);
@@ -1926,7 +1926,7 @@ void sun_reflect_ConstantPool::set_cp_oop(oop reflect, oop value) {
 }
 
 void sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() {
-  klassOop k = SystemDictionary::reflect_unsafe_static_field_accessor_impl_klass();
+  klassOop k = SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass();
   // This null test can be removed post beta
   if (k != NULL) {
     compute_offset(_base_offset, k,
@@ -2072,7 +2072,7 @@ void java_lang_boxing_object::print(BasicType type, jvalue* value, outputStream*
 
 // Support for java_lang_ref_Reference
 oop java_lang_ref_Reference::pending_list_lock() {
-  instanceKlass* ik = instanceKlass::cast(SystemDictionary::reference_klass());
+  instanceKlass* ik = instanceKlass::cast(SystemDictionary::Reference_klass());
   char *addr = (((char *)ik->start_of_static_fields()) + static_lock_offset);
   if (UseCompressedOops) {
     return oopDesc::load_decode_heap_oop((narrowOop *)addr);
@@ -2082,7 +2082,7 @@ oop java_lang_ref_Reference::pending_list_lock() {
 }
 
 HeapWord *java_lang_ref_Reference::pending_list_addr() {
-  instanceKlass* ik = instanceKlass::cast(SystemDictionary::reference_klass());
+  instanceKlass* ik = instanceKlass::cast(SystemDictionary::Reference_klass());
   char *addr = (((char *)ik->start_of_static_fields()) + static_pending_offset);
   // XXX This might not be HeapWord aligned, almost rather be char *.
   return (HeapWord*)addr;
@@ -2105,17 +2105,17 @@ jlong java_lang_ref_SoftReference::timestamp(oop ref) {
 }
 
 jlong java_lang_ref_SoftReference::clock() {
-  instanceKlass* ik = instanceKlass::cast(SystemDictionary::soft_reference_klass());
+  instanceKlass* ik = instanceKlass::cast(SystemDictionary::SoftReference_klass());
   int offset = ik->offset_of_static_fields() + static_clock_offset;
 
-  return SystemDictionary::soft_reference_klass()->long_field(offset);
+  return SystemDictionary::SoftReference_klass()->long_field(offset);
 }
 
 void java_lang_ref_SoftReference::set_clock(jlong value) {
-  instanceKlass* ik = instanceKlass::cast(SystemDictionary::soft_reference_klass());
+  instanceKlass* ik = instanceKlass::cast(SystemDictionary::SoftReference_klass());
   int offset = ik->offset_of_static_fields() + static_clock_offset;
 
-  SystemDictionary::soft_reference_klass()->long_field_put(offset, value);
+  SystemDictionary::SoftReference_klass()->long_field_put(offset, value);
 }
 
 
@@ -2403,6 +2403,10 @@ oop java_dyn_MethodType::ptype(oop mt, int idx) {
   return ptypes(mt)->obj_at(idx);
 }
 
+int java_dyn_MethodType::ptype_count(oop mt) {
+  return ptypes(mt)->length();
+}
+
 
 
 // Support for java_dyn_MethodTypeForm
@@ -2534,7 +2538,7 @@ oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) {
     // the generated bytecodes for reflection, and if so, "magically"
     // delegate to its parent to prevent class loading from occurring
     // in places where applications using reflection didn't expect it.
-    klassOop delegating_cl_class = SystemDictionary::reflect_delegating_classloader_klass();
+    klassOop delegating_cl_class = SystemDictionary::reflect_DelegatingClassLoader_klass();
     // This might be null in non-1.4 JDKs
     if (delegating_cl_class != NULL && loader->is_a(delegating_cl_class)) {
       return parent(loader);
@@ -2549,7 +2553,7 @@ oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) {
 void java_lang_System::compute_offsets() {
   assert(offset_of_static_fields == 0, "offsets should be initialized only once");
 
-  instanceKlass* ik = instanceKlass::cast(SystemDictionary::system_klass());
+  instanceKlass* ik = instanceKlass::cast(SystemDictionary::System_klass());
   offset_of_static_fields = ik->offset_of_static_fields();
 }
 

hotspot/src/share/vm/classfile/javaClasses.hpp

@@ -111,7 +111,7 @@ class java_lang_String : AllStatic {
 
   // Testers
   static bool is_instance(oop obj) {
-    return obj != NULL && obj->klass() == SystemDictionary::string_klass();
+    return obj != NULL && obj->klass() == SystemDictionary::String_klass();
   }
 
   // Debugging
@@ -161,7 +161,7 @@ class java_lang_Class : AllStatic {
   static void print_signature(oop java_class, outputStream *st);
   // Testing
   static bool is_instance(oop obj) {
-    return obj != NULL && obj->klass() == SystemDictionary::class_klass();
+    return obj != NULL && obj->klass() == SystemDictionary::Class_klass();
   }
   static bool is_primitive(oop java_class);
   static BasicType primitive_type(oop java_class);
@@ -1027,6 +1027,7 @@ class java_dyn_MethodType: AllStatic {
   static oop            form(oop mt);
 
   static oop            ptype(oop mt, int index);
+  static int            ptype_count(oop mt);
 
   static symbolOop      as_signature(oop mt, bool intern_if_not_found, TRAPS);
   static void           print_signature(oop mt, outputStream* st);
@@ -1083,6 +1084,14 @@ public:
   static oop            vmmethod(oop site);
   static void       set_vmmethod(oop site, oop ref);
 
+  // Testers
+  static bool is_subclass(klassOop klass) {
+    return Klass::cast(klass)->is_subclass_of(SystemDictionary::CallSite_klass());
+  }
+  static bool is_instance(oop obj) {
+    return obj != NULL && is_subclass(obj->klass());
+  }
+
   // Accessors for code generation:
   static int target_offset_in_bytes()           { return _target_offset; }
   static int type_offset_in_bytes()             { return _type_offset; }

hotspot/src/share/vm/classfile/systemDictionary.cpp

@@ -60,10 +60,10 @@ oop SystemDictionary::java_system_loader() {
 }
 
 void SystemDictionary::compute_java_system_loader(TRAPS) {
-  KlassHandle system_klass(THREAD, WK_KLASS(classloader_klass));
+  KlassHandle system_klass(THREAD, WK_KLASS(ClassLoader_klass));
   JavaValue result(T_OBJECT);
   JavaCalls::call_static(&result,
-                         KlassHandle(THREAD, WK_KLASS(classloader_klass)),
+                         KlassHandle(THREAD, WK_KLASS(ClassLoader_klass)),
                          vmSymbolHandles::getSystemClassLoader_name(),
                          vmSymbolHandles::void_classloader_signature(),
                          CHECK);
@@ -128,7 +128,7 @@ klassOop SystemDictionary::handle_resolution_exception(symbolHandle class_name,
     // in which case we have to check whether the pending exception is a ClassNotFoundException,
     // and if so convert it to a NoClassDefFoundError
     // And chain the original ClassNotFoundException
-    if (throw_error && PENDING_EXCEPTION->is_a(SystemDictionary::classNotFoundException_klass())) {
+    if (throw_error && PENDING_EXCEPTION->is_a(SystemDictionary::ClassNotFoundException_klass())) {
       ResourceMark rm(THREAD);
       assert(klass_h() == NULL, "Should not have result with exception pending");
       Handle e(THREAD, PENDING_EXCEPTION);
@@ -359,7 +359,7 @@ void SystemDictionary::validate_protection_domain(instanceKlassHandle klass,
 
   assert(class_loader() != NULL, "should not have non-null protection domain for null classloader");
 
-  KlassHandle system_loader(THREAD, SystemDictionary::classloader_klass());
+  KlassHandle system_loader(THREAD, SystemDictionary::ClassLoader_klass());
   JavaCalls::call_special(&result,
                          class_loader,
                          system_loader,
@@ -743,7 +743,7 @@ klassOop SystemDictionary::resolve_instance_class_or_null(symbolHandle class_nam
       // Bootstrap goes through here to allow for an extra guarantee check
       if (UnsyncloadClass || (class_loader.is_null())) {
         if (k.is_null() && HAS_PENDING_EXCEPTION
-          && PENDING_EXCEPTION->is_a(SystemDictionary::linkageError_klass())) {
+          && PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) {
           MutexLocker mu(SystemDictionary_lock, THREAD);
           klassOop check = find_class(d_index, d_hash, name, class_loader);
           if (check != NULL) {
@@ -1367,7 +1367,7 @@ instanceKlassHandle SystemDictionary::load_instance_class(symbolHandle class_nam
 
     JavaValue result(T_OBJECT);
 
-    KlassHandle spec_klass (THREAD, SystemDictionary::classloader_klass());
+    KlassHandle spec_klass (THREAD, SystemDictionary::ClassLoader_klass());
 
     // Call public unsynchronized loadClass(String) directly for all class loaders
     // for parallelCapable class loaders. JDK >=7, loadClass(String, boolean) will
@@ -1944,13 +1944,13 @@ void SystemDictionary::initialize_wk_klasses_until(WKID limit_id, WKID &start_id
 
 
 void SystemDictionary::initialize_preloaded_classes(TRAPS) {
-  assert(WK_KLASS(object_klass) == NULL, "preloaded classes should only be initialized once");
+  assert(WK_KLASS(Object_klass) == NULL, "preloaded classes should only be initialized once");
   // Preload commonly used klasses
   WKID scan = FIRST_WKID;
   // first do Object, String, Class
-  initialize_wk_klasses_through(WK_KLASS_ENUM_NAME(class_klass), scan, CHECK);
+  initialize_wk_klasses_through(WK_KLASS_ENUM_NAME(Class_klass), scan, CHECK);
 
-  debug_only(instanceKlass::verify_class_klass_nonstatic_oop_maps(WK_KLASS(class_klass)));
+  debug_only(instanceKlass::verify_class_klass_nonstatic_oop_maps(WK_KLASS(Class_klass)));
 
   // Fixup mirrors for classes loaded before java.lang.Class.
   // These calls iterate over the objects currently in the perm gen
@@ -1961,17 +1961,17 @@ void SystemDictionary::initialize_preloaded_classes(TRAPS) {
   Universe::fixup_mirrors(CHECK);
 
   // do a bunch more:
-  initialize_wk_klasses_through(WK_KLASS_ENUM_NAME(reference_klass), scan, CHECK);
+  initialize_wk_klasses_through(WK_KLASS_ENUM_NAME(Reference_klass), scan, CHECK);
 
   // Preload ref klasses and set reference types
-  instanceKlass::cast(WK_KLASS(reference_klass))->set_reference_type(REF_OTHER);
+  instanceKlass::cast(WK_KLASS(Reference_klass))->set_reference_type(REF_OTHER);
-  instanceRefKlass::update_nonstatic_oop_maps(WK_KLASS(reference_klass));
+  instanceRefKlass::update_nonstatic_oop_maps(WK_KLASS(Reference_klass));
 
-  initialize_wk_klasses_through(WK_KLASS_ENUM_NAME(phantom_reference_klass), scan, CHECK);
+  initialize_wk_klasses_through(WK_KLASS_ENUM_NAME(PhantomReference_klass), scan, CHECK);
-  instanceKlass::cast(WK_KLASS(soft_reference_klass))->set_reference_type(REF_SOFT);
+  instanceKlass::cast(WK_KLASS(SoftReference_klass))->set_reference_type(REF_SOFT);
-  instanceKlass::cast(WK_KLASS(weak_reference_klass))->set_reference_type(REF_WEAK);
+  instanceKlass::cast(WK_KLASS(WeakReference_klass))->set_reference_type(REF_WEAK);
-  instanceKlass::cast(WK_KLASS(final_reference_klass))->set_reference_type(REF_FINAL);
+  instanceKlass::cast(WK_KLASS(FinalReference_klass))->set_reference_type(REF_FINAL);
-  instanceKlass::cast(WK_KLASS(phantom_reference_klass))->set_reference_type(REF_PHANTOM);
+  instanceKlass::cast(WK_KLASS(PhantomReference_klass))->set_reference_type(REF_PHANTOM);
 
   WKID meth_group_start = WK_KLASS_ENUM_NAME(MethodHandle_klass);
   WKID meth_group_end   = WK_KLASS_ENUM_NAME(WrongMethodTypeException_klass);
@@ -1984,7 +1984,7 @@ void SystemDictionary::initialize_preloaded_classes(TRAPS) {
     scan = WKID(meth_group_end+1);
   }
   WKID indy_group_start = WK_KLASS_ENUM_NAME(Linkage_klass);
-  WKID indy_group_end   = WK_KLASS_ENUM_NAME(Dynamic_klass);
+  WKID indy_group_end   = WK_KLASS_ENUM_NAME(InvokeDynamic_klass);
   initialize_wk_klasses_until(indy_group_start, scan, CHECK);
   if (EnableInvokeDynamic) {
     initialize_wk_klasses_through(indy_group_end, scan, CHECK);
@@ -1996,14 +1996,14 @@ void SystemDictionary::initialize_preloaded_classes(TRAPS) {
 
   initialize_wk_klasses_until(WKID_LIMIT, scan, CHECK);
 
-  _box_klasses[T_BOOLEAN] = WK_KLASS(boolean_klass);
+  _box_klasses[T_BOOLEAN] = WK_KLASS(Boolean_klass);
-  _box_klasses[T_CHAR]    = WK_KLASS(char_klass);
+  _box_klasses[T_CHAR]    = WK_KLASS(Character_klass);
-  _box_klasses[T_FLOAT]   = WK_KLASS(float_klass);
+  _box_klasses[T_FLOAT]   = WK_KLASS(Float_klass);
-  _box_klasses[T_DOUBLE]  = WK_KLASS(double_klass);
+  _box_klasses[T_DOUBLE]  = WK_KLASS(Double_klass);
-  _box_klasses[T_BYTE]    = WK_KLASS(byte_klass);
+  _box_klasses[T_BYTE]    = WK_KLASS(Byte_klass);
-  _box_klasses[T_SHORT]   = WK_KLASS(short_klass);
+  _box_klasses[T_SHORT]   = WK_KLASS(Short_klass);
-  _box_klasses[T_INT]     = WK_KLASS(int_klass);
+  _box_klasses[T_INT]     = WK_KLASS(Integer_klass);
-  _box_klasses[T_LONG]    = WK_KLASS(long_klass);
+  _box_klasses[T_LONG]    = WK_KLASS(Long_klass);
   //_box_klasses[T_OBJECT]  = WK_KLASS(object_klass);
   //_box_klasses[T_ARRAY]   = WK_KLASS(object_klass);
 
@@ -2014,11 +2014,11 @@ void SystemDictionary::initialize_preloaded_classes(TRAPS) {
 #endif // KERNEL
 
   { // Compute whether we should use loadClass or loadClassInternal when loading classes.
-    methodOop method = instanceKlass::cast(classloader_klass())->find_method(vmSymbols::loadClassInternal_name(), vmSymbols::string_class_signature());
+    methodOop method = instanceKlass::cast(ClassLoader_klass())->find_method(vmSymbols::loadClassInternal_name(), vmSymbols::string_class_signature());
     _has_loadClassInternal = (method != NULL);
   }
   { // Compute whether we should use checkPackageAccess or NOT
-    methodOop method = instanceKlass::cast(classloader_klass())->find_method(vmSymbols::checkPackageAccess_name(), vmSymbols::class_protectiondomain_signature());
+    methodOop method = instanceKlass::cast(ClassLoader_klass())->find_method(vmSymbols::checkPackageAccess_name(), vmSymbols::class_protectiondomain_signature());
     _has_checkPackageAccess = (method != NULL);
   }
 }
@@ -2340,6 +2340,8 @@ methodOop SystemDictionary::find_method_handle_invoke(symbolHandle signature,
   SymbolPropertyEntry* spe = invoke_method_table()->find_entry(index, hash, signature);
   if (spe == NULL || spe->property_oop() == NULL) {
     // Must create lots of stuff here, but outside of the SystemDictionary lock.
+    if (THREAD->is_Compiler_thread())
+      return NULL;              // do not attempt from within compiler
     Handle mt = compute_method_handle_type(signature(),
                                            class_loader, protection_domain,
                                            CHECK_NULL);
@@ -2372,7 +2374,7 @@ Handle SystemDictionary::compute_method_handle_type(symbolHandle signature,
                                                     TRAPS) {
   Handle empty;
   int npts = ArgumentCount(signature()).size();
-  objArrayHandle pts = oopFactory::new_objArray(SystemDictionary::class_klass(), npts, CHECK_(empty));
+  objArrayHandle pts = oopFactory::new_objArray(SystemDictionary::Class_klass(), npts, CHECK_(empty));
   int arg = 0;
   Handle rt;                            // the return type from the signature
   for (SignatureStream ss(signature()); !ss.is_done(); ss.next()) {

hotspot/src/share/vm/classfile/systemDictionary.hpp

@@ -82,55 +82,55 @@ class SymbolPropertyTable;
 
 #define WK_KLASSES_DO(template)                                               \
   /* well-known classes */                                                    \
-  template(object_klass,                 java_lang_Object,               Pre) \
+  template(Object_klass,                 java_lang_Object,               Pre) \
-  template(string_klass,                 java_lang_String,               Pre) \
+  template(String_klass,                 java_lang_String,               Pre) \
-  template(class_klass,                  java_lang_Class,                Pre) \
+  template(Class_klass,                  java_lang_Class,                Pre) \
-  template(cloneable_klass,              java_lang_Cloneable,            Pre) \
+  template(Cloneable_klass,              java_lang_Cloneable,            Pre) \
-  template(classloader_klass,            java_lang_ClassLoader,          Pre) \
+  template(ClassLoader_klass,            java_lang_ClassLoader,          Pre) \
-  template(serializable_klass,           java_io_Serializable,           Pre) \
+  template(Serializable_klass,           java_io_Serializable,           Pre) \
-  template(system_klass,                 java_lang_System,               Pre) \
+  template(System_klass,                 java_lang_System,               Pre) \
-  template(throwable_klass,              java_lang_Throwable,            Pre) \
+  template(Throwable_klass,              java_lang_Throwable,            Pre) \
-  template(error_klass,                  java_lang_Error,                Pre) \
+  template(Error_klass,                  java_lang_Error,                Pre) \
-  template(threaddeath_klass,            java_lang_ThreadDeath,          Pre) \
+  template(ThreadDeath_klass,            java_lang_ThreadDeath,          Pre) \
-  template(exception_klass,              java_lang_Exception,            Pre) \
+  template(Exception_klass,              java_lang_Exception,            Pre) \
-  template(runtime_exception_klass,      java_lang_RuntimeException,     Pre) \
+  template(RuntimeException_klass,       java_lang_RuntimeException,     Pre) \
-  template(protectionDomain_klass,       java_security_ProtectionDomain, Pre) \
+  template(ProtectionDomain_klass,       java_security_ProtectionDomain, Pre) \
   template(AccessControlContext_klass,   java_security_AccessControlContext, Pre) \
-  template(classNotFoundException_klass, java_lang_ClassNotFoundException, Pre) \
+  template(ClassNotFoundException_klass, java_lang_ClassNotFoundException, Pre) \
-  template(noClassDefFoundError_klass,   java_lang_NoClassDefFoundError, Pre) \
+  template(NoClassDefFoundError_klass,   java_lang_NoClassDefFoundError, Pre) \
-  template(linkageError_klass,           java_lang_LinkageError,         Pre) \
+  template(LinkageError_klass,           java_lang_LinkageError,         Pre) \
   template(ClassCastException_klass,     java_lang_ClassCastException,   Pre) \
   template(ArrayStoreException_klass,    java_lang_ArrayStoreException,  Pre) \
-  template(virtualMachineError_klass,    java_lang_VirtualMachineError,  Pre) \
+  template(VirtualMachineError_klass,    java_lang_VirtualMachineError,  Pre) \
   template(OutOfMemoryError_klass,       java_lang_OutOfMemoryError,     Pre) \
   template(StackOverflowError_klass,     java_lang_StackOverflowError,   Pre) \
   template(IllegalMonitorStateException_klass, java_lang_IllegalMonitorStateException, Pre) \
-  template(reference_klass,              java_lang_ref_Reference,        Pre) \
+  template(Reference_klass,              java_lang_ref_Reference,        Pre) \
                                                                               \
   /* Preload ref klasses and set reference types */                           \
-  template(soft_reference_klass,         java_lang_ref_SoftReference,    Pre) \
+  template(SoftReference_klass,          java_lang_ref_SoftReference,    Pre) \
-  template(weak_reference_klass,         java_lang_ref_WeakReference,    Pre) \
+  template(WeakReference_klass,          java_lang_ref_WeakReference,    Pre) \
-  template(final_reference_klass,        java_lang_ref_FinalReference,   Pre) \
+  template(FinalReference_klass,         java_lang_ref_FinalReference,   Pre) \
-  template(phantom_reference_klass,      java_lang_ref_PhantomReference, Pre) \
+  template(PhantomReference_klass,       java_lang_ref_PhantomReference, Pre) \
-  template(finalizer_klass,              java_lang_ref_Finalizer,        Pre) \
+  template(Finalizer_klass,              java_lang_ref_Finalizer,        Pre) \
                                                                               \
-  template(thread_klass,                 java_lang_Thread,               Pre) \
+  template(Thread_klass,                 java_lang_Thread,               Pre) \
-  template(threadGroup_klass,            java_lang_ThreadGroup,          Pre) \
+  template(ThreadGroup_klass,            java_lang_ThreadGroup,          Pre) \
-  template(properties_klass,             java_util_Properties,           Pre) \
+  template(Properties_klass,             java_util_Properties,           Pre) \
-  template(reflect_accessible_object_klass, java_lang_reflect_AccessibleObject, Pre) \
+  template(reflect_AccessibleObject_klass, java_lang_reflect_AccessibleObject, Pre) \
-  template(reflect_field_klass,          java_lang_reflect_Field,        Pre) \
+  template(reflect_Field_klass,          java_lang_reflect_Field,        Pre) \
-  template(reflect_method_klass,         java_lang_reflect_Method,       Pre) \
+  template(reflect_Method_klass,         java_lang_reflect_Method,       Pre) \
-  template(reflect_constructor_klass,    java_lang_reflect_Constructor,  Pre) \
+  template(reflect_Constructor_klass,    java_lang_reflect_Constructor,  Pre) \
                                                                               \
   /* NOTE: needed too early in bootstrapping process to have checks based on JDK version */ \
   /* Universe::is_gte_jdk14x_version() is not set up by this point. */        \
   /* It's okay if this turns out to be NULL in non-1.4 JDKs. */               \
-  template(reflect_magic_klass,          sun_reflect_MagicAccessorImpl,  Opt) \
+  template(reflect_MagicAccessorImpl_klass,          sun_reflect_MagicAccessorImpl,  Opt) \
-  template(reflect_method_accessor_klass, sun_reflect_MethodAccessorImpl, Opt_Only_JDK14NewRef) \
+  template(reflect_MethodAccessorImpl_klass, sun_reflect_MethodAccessorImpl, Opt_Only_JDK14NewRef) \
-  template(reflect_constructor_accessor_klass, sun_reflect_ConstructorAccessorImpl, Opt_Only_JDK14NewRef) \
+  template(reflect_ConstructorAccessorImpl_klass, sun_reflect_ConstructorAccessorImpl, Opt_Only_JDK14NewRef) \
-  template(reflect_delegating_classloader_klass, sun_reflect_DelegatingClassLoader, Opt) \
+  template(reflect_DelegatingClassLoader_klass, sun_reflect_DelegatingClassLoader, Opt) \
-  template(reflect_constant_pool_klass,  sun_reflect_ConstantPool,       Opt_Only_JDK15) \
+  template(reflect_ConstantPool_klass,  sun_reflect_ConstantPool,       Opt_Only_JDK15) \
-  template(reflect_unsafe_static_field_accessor_impl_klass, sun_reflect_UnsafeStaticFieldAccessorImpl, Opt_Only_JDK15) \
+  template(reflect_UnsafeStaticFieldAccessorImpl_klass, sun_reflect_UnsafeStaticFieldAccessorImpl, Opt_Only_JDK15) \
                                                                               \
   /* support for dynamic typing; it's OK if these are NULL in earlier JDKs */ \
   template(MethodHandle_klass,           java_dyn_MethodHandle,          Opt) \
@@ -144,16 +144,14 @@ class SymbolPropertyTable;
   template(WrongMethodTypeException_klass, java_dyn_WrongMethodTypeException, Opt) \
   template(Linkage_klass,                java_dyn_Linkage,               Opt) \
   template(CallSite_klass,               java_dyn_CallSite,              Opt) \
-  template(Dynamic_klass,                java_dyn_Dynamic,               Opt) \
+  template(InvokeDynamic_klass,          java_dyn_InvokeDynamic,         Opt) \
   /* Note: MethodHandle must be first, and Dynamic last in group */           \
                                                                               \
-  template(vector_klass,                 java_util_Vector,               Pre) \
+  template(StringBuffer_klass,           java_lang_StringBuffer,         Pre) \
-  template(hashtable_klass,              java_util_Hashtable,            Pre) \
-  template(stringBuffer_klass,           java_lang_StringBuffer,         Pre) \
   template(StringBuilder_klass,          java_lang_StringBuilder,        Pre) \
                                                                               \
   /* It's NULL in non-1.4 JDKs. */                                            \
-  template(stackTraceElement_klass,      java_lang_StackTraceElement,    Opt) \
+  template(StackTraceElement_klass,      java_lang_StackTraceElement,    Opt) \
   /* Universe::is_gte_jdk14x_version() is not set up by this point. */        \
   /* It's okay if this turns out to be NULL in non-1.4 JDKs. */               \
   template(java_nio_Buffer_klass,        java_nio_Buffer,                Opt) \
@@ -164,14 +162,14 @@ class SymbolPropertyTable;
   template(sun_jkernel_DownloadManager_klass, sun_jkernel_DownloadManager, Opt_Kernel) \
                                                                               \
   /* Preload boxing klasses */                                                \
-  template(boolean_klass,                java_lang_Boolean,              Pre) \
+  template(Boolean_klass,                java_lang_Boolean,              Pre) \
-  template(char_klass,                   java_lang_Character,            Pre) \
+  template(Character_klass,              java_lang_Character,            Pre) \
-  template(float_klass,                  java_lang_Float,                Pre) \
+  template(Float_klass,                  java_lang_Float,                Pre) \
-  template(double_klass,                 java_lang_Double,               Pre) \
+  template(Double_klass,                 java_lang_Double,               Pre) \
-  template(byte_klass,                   java_lang_Byte,                 Pre) \
+  template(Byte_klass,                   java_lang_Byte,                 Pre) \
-  template(short_klass,                  java_lang_Short,                Pre) \
+  template(Short_klass,                  java_lang_Short,                Pre) \
-  template(int_klass,                    java_lang_Integer,              Pre) \
+  template(Integer_klass,                java_lang_Integer,              Pre) \
-  template(long_klass,                   java_lang_Long,                 Pre) \
+  template(Long_klass,                   java_lang_Long,                 Pre) \
   /*end*/
 
 
@@ -438,8 +436,8 @@ public:
   // Tells whether ClassLoader.checkPackageAccess is present
   static bool has_checkPackageAccess()      { return _has_checkPackageAccess; }
 
-  static bool class_klass_loaded()          { return WK_KLASS(class_klass) != NULL; }
+  static bool Class_klass_loaded()          { return WK_KLASS(Class_klass) != NULL; }
-  static bool cloneable_klass_loaded()      { return WK_KLASS(cloneable_klass) != NULL; }
+  static bool Cloneable_klass_loaded()      { return WK_KLASS(Cloneable_klass) != NULL; }
 
   // Returns default system loader
   static oop java_system_loader();

hotspot/src/share/vm/classfile/verifier.cpp

@@ -143,7 +143,7 @@ bool Verifier::verify(instanceKlassHandle klass, Verifier::Mode mode, bool shoul
 
 bool Verifier::is_eligible_for_verification(instanceKlassHandle klass, bool should_verify_class) {
   symbolOop name = klass->name();
-  klassOop refl_magic_klass = SystemDictionary::reflect_magic_klass();
+  klassOop refl_magic_klass = SystemDictionary::reflect_MagicAccessorImpl_klass();
 
   return (should_verify_for(klass->class_loader(), should_verify_class) &&
     // return if the class is a bootstrapping class

hotspot/src/share/vm/classfile/vmSymbols.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1997-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -70,6 +70,7 @@ static const char* vm_symbol_bodies = VM_SYMBOLS_DO(VM_SYMBOL_BODY, VM_ALIAS_IGN
 void vmSymbols::initialize(TRAPS) {
   assert((int)SID_LIMIT <= (1<<log2_SID_LIMIT), "must fit in this bitfield");
   assert((int)SID_LIMIT*5 > (1<<log2_SID_LIMIT), "make the bitfield smaller, please");
+  assert(vmIntrinsics::FLAG_LIMIT <= (1 << vmIntrinsics::log2_FLAG_LIMIT), "must fit in this bitfield");
 
   if (!UseSharedSpaces) {
     const char* string = &vm_symbol_bodies[0];
@@ -271,6 +272,58 @@ vmSymbols::SID vmSymbols::find_sid(symbolOop symbol) {
   return sid;
 }
 
+static vmIntrinsics::ID wrapper_intrinsic(BasicType type, bool unboxing) {
+#define TYPE2(type, unboxing) ((int)(type)*2 + ((unboxing) ? 1 : 0))
+  switch (TYPE2(type, unboxing)) {
+#define BASIC_TYPE_CASE(type, box, unbox) \
+    case TYPE2(type, false):  return vmIntrinsics::box; \
+    case TYPE2(type, true):   return vmIntrinsics::unbox
+    BASIC_TYPE_CASE(T_BOOLEAN, _Boolean_valueOf,   _booleanValue);
+    BASIC_TYPE_CASE(T_BYTE,    _Byte_valueOf,      _byteValue);
+    BASIC_TYPE_CASE(T_CHAR,    _Character_valueOf, _charValue);
+    BASIC_TYPE_CASE(T_SHORT,   _Short_valueOf,     _shortValue);
+    BASIC_TYPE_CASE(T_INT,     _Integer_valueOf,   _intValue);
+    BASIC_TYPE_CASE(T_LONG,    _Long_valueOf,      _longValue);
+    BASIC_TYPE_CASE(T_FLOAT,   _Float_valueOf,     _floatValue);
+    BASIC_TYPE_CASE(T_DOUBLE,  _Double_valueOf,    _doubleValue);
+#undef BASIC_TYPE_CASE
+  }
+#undef TYPE2
+  return vmIntrinsics::_none;
+}
+
+vmIntrinsics::ID vmIntrinsics::for_boxing(BasicType type) {
+  return wrapper_intrinsic(type, false);
+}
+vmIntrinsics::ID vmIntrinsics::for_unboxing(BasicType type) {
+  return wrapper_intrinsic(type, true);
+}
+
+vmIntrinsics::ID vmIntrinsics::for_raw_conversion(BasicType src, BasicType dest) {
+#define SRC_DEST(s,d) (((int)(s) << 4) + (int)(d))
+  switch (SRC_DEST(src, dest)) {
+  case SRC_DEST(T_INT, T_FLOAT):   return vmIntrinsics::_intBitsToFloat;
+  case SRC_DEST(T_FLOAT, T_INT):   return vmIntrinsics::_floatToRawIntBits;
+
+  case SRC_DEST(T_LONG, T_DOUBLE): return vmIntrinsics::_longBitsToDouble;
+  case SRC_DEST(T_DOUBLE, T_LONG): return vmIntrinsics::_doubleToRawLongBits;
+  }
+#undef SRC_DEST
+
+  return vmIntrinsics::_none;
+}
+
+methodOop vmIntrinsics::method_for(vmIntrinsics::ID id) {
+  if (id == _none)  return NULL;
+  symbolOop cname = vmSymbols::symbol_at(class_for(id));
+  symbolOop mname = vmSymbols::symbol_at(name_for(id));
+  symbolOop msig  = vmSymbols::symbol_at(signature_for(id));
+  if (cname == NULL || mname == NULL || msig == NULL)  return NULL;
+  klassOop k = SystemDictionary::find_well_known_klass(cname);
+  if (k == NULL)  return NULL;
+  return instanceKlass::cast(k)->find_method(mname, msig);
+}
+
 
 #define VM_INTRINSIC_INITIALIZE(id, klass, name, sig, flags) #id "\0"
 static const char* vm_intrinsic_name_bodies =
@@ -330,15 +383,15 @@ inline bool match_F_RNY(jshort flags) {
 }
 
 // These are for forming case labels:
-#define ID3(x, y, z) (( jint)(z) +                                  \
+#define ID3(x, y, z) (( jlong)(z) +                                  \
-                      ((jint)(y) <<    vmSymbols::log2_SID_LIMIT) + \
+                      ((jlong)(y) <<    vmSymbols::log2_SID_LIMIT) + \
-                      ((jint)(x) << (2*vmSymbols::log2_SID_LIMIT))  )
+                      ((jlong)(x) << (2*vmSymbols::log2_SID_LIMIT))  )
 #define SID_ENUM(n) vmSymbols::VM_SYMBOL_ENUM_NAME(n)
 
-vmIntrinsics::ID vmIntrinsics::find_id(vmSymbols::SID holder,
+vmIntrinsics::ID vmIntrinsics::find_id_impl(vmSymbols::SID holder,
-                                       vmSymbols::SID name,
+                                            vmSymbols::SID name,
-                                       vmSymbols::SID sig,
+                                            vmSymbols::SID sig,
-                                       jshort flags) {
+                                            jshort flags) {
   assert((int)vmSymbols::SID_LIMIT <= (1<<vmSymbols::log2_SID_LIMIT), "must fit");
 
   // Let the C compiler build the decision tree.
@@ -383,62 +436,50 @@ const char* vmIntrinsics::short_name_as_C_string(vmIntrinsics::ID id, char* buf,
 }
 
 
-// These are for friendly printouts of intrinsics:
+// These are to get information about intrinsics.
+
+#define ID4(x, y, z, f) ((ID3(x, y, z) << vmIntrinsics::log2_FLAG_LIMIT) | (jlong) (f))
+
+static const jlong intrinsic_info_array[vmIntrinsics::ID_LIMIT+1] = {
+#define VM_INTRINSIC_INFO(ignore_id, klass, name, sig, fcode) \
+  ID4(SID_ENUM(klass), SID_ENUM(name), SID_ENUM(sig), vmIntrinsics::fcode),
+
+  0, VM_INTRINSICS_DO(VM_INTRINSIC_INFO,
+                     VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE)
+    0
+#undef VM_INTRINSIC_INFO
+};
+
+inline jlong intrinsic_info(vmIntrinsics::ID id) {
+  return intrinsic_info_array[vmIntrinsics::ID_from((int)id)];
+}
 
 vmSymbols::SID vmIntrinsics::class_for(vmIntrinsics::ID id) {
-#ifndef PRODUCT
+  jlong info = intrinsic_info(id);
-#define VM_INTRINSIC_CASE(id, klass, name, sig, fcode) \
+  int shift = 2*vmSymbols::log2_SID_LIMIT + log2_FLAG_LIMIT, mask = right_n_bits(vmSymbols::log2_SID_LIMIT);
-  case id: return SID_ENUM(klass);
+  assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 1021, "");
-
+  return vmSymbols::SID( (info >> shift) & mask );
-  switch (id) {
-    VM_INTRINSICS_DO(VM_INTRINSIC_CASE,
-                     VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE);
-  }
-#undef VM_INTRINSIC_CASE
-#endif //PRODUCT
-  return vmSymbols::NO_SID;
 }
 
 vmSymbols::SID vmIntrinsics::name_for(vmIntrinsics::ID id) {
-#ifndef PRODUCT
+  jlong info = intrinsic_info(id);
-#define VM_INTRINSIC_CASE(id, klass, name, sig, fcode) \
+  int shift = vmSymbols::log2_SID_LIMIT + log2_FLAG_LIMIT, mask = right_n_bits(vmSymbols::log2_SID_LIMIT);
-  case id: return SID_ENUM(name);
+  assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 1022, "");
-
+  return vmSymbols::SID( (info >> shift) & mask );
-  switch (id) {
-    VM_INTRINSICS_DO(VM_INTRINSIC_CASE,
-                     VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE);
-  }
-#undef VM_INTRINSIC_CASE
-#endif //PRODUCT
-  return vmSymbols::NO_SID;
 }
 
 vmSymbols::SID vmIntrinsics::signature_for(vmIntrinsics::ID id) {
-#ifndef PRODUCT
+  jlong info = intrinsic_info(id);
-#define VM_INTRINSIC_CASE(id, klass, name, sig, fcode) \
+  int shift = log2_FLAG_LIMIT, mask = right_n_bits(vmSymbols::log2_SID_LIMIT);
-  case id: return SID_ENUM(sig);
+  assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 1023, "");
-
+  return vmSymbols::SID( (info >> shift) & mask );
-  switch (id) {
-    VM_INTRINSICS_DO(VM_INTRINSIC_CASE,
-                     VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE);
-  }
-#undef VM_INTRINSIC_CASE
-#endif //PRODUCT
-  return vmSymbols::NO_SID;
 }
 
 vmIntrinsics::Flags vmIntrinsics::flags_for(vmIntrinsics::ID id) {
-#ifndef PRODUCT
+  jlong info = intrinsic_info(id);
-#define VM_INTRINSIC_CASE(id, klass, name, sig, fcode) \
+  int shift = 0, mask = right_n_bits(log2_FLAG_LIMIT);
-  case id: return fcode;
+  assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 15, "");
-
+  return Flags( (info >> shift) & mask );
-  switch (id) {
-    VM_INTRINSICS_DO(VM_INTRINSIC_CASE,
-                     VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE);
-  }
-#undef VM_INTRINSIC_CASE
-#endif //PRODUCT
-  return F_none;
 }
 
 

hotspot/src/share/vm/classfile/vmSymbols.hpp

@@ -219,7 +219,7 @@
   template(base_name,                                 "base")                                     \
                                                                                                   \
   /* Support for JSR 292 & invokedynamic (JDK 1.7 and above) */                                   \
-  template(java_dyn_Dynamic,                          "java/dyn/Dynamic")                         \
+  template(java_dyn_InvokeDynamic,                    "java/dyn/InvokeDynamic")                   \
   template(java_dyn_Linkage,                          "java/dyn/Linkage")                         \
   template(java_dyn_CallSite,                         "java/dyn/CallSite")                        \
   template(java_dyn_MethodHandle,                     "java/dyn/MethodHandle")                    \
@@ -347,9 +347,14 @@
                                                                                                   \
   /* common signatures names */                                                                   \
   template(void_method_signature,                     "()V")                                      \
+  template(void_boolean_signature,                    "()Z")                                      \
+  template(void_byte_signature,                       "()B")                                      \
+  template(void_char_signature,                       "()C")                                      \
+  template(void_short_signature,                      "()S")                                      \
   template(void_int_signature,                        "()I")                                      \
   template(void_long_signature,                       "()J")                                      \
-  template(void_boolean_signature,                    "()Z")                                      \
+  template(void_float_signature,                      "()F")                                      \
+  template(void_double_signature,                     "()D")                                      \
   template(int_void_signature,                        "(I)V")                                     \
   template(int_int_signature,                         "(I)I")                                     \
   template(int_bool_signature,                        "(I)Z")                                     \
@@ -854,6 +859,46 @@
                                                                                                                           \
   do_intrinsic(_invoke,                   java_lang_reflect_Method, invoke_name, object_array_object_object_signature, F_R) \
   /*   (symbols invoke_name and invoke_signature defined above) */                                                      \
+  do_intrinsic(_checkSpreadArgument,      sun_dyn_MethodHandleImpl, checkSpreadArgument_name, checkSpreadArgument_signature, F_S) \
+   do_name(    checkSpreadArgument_name,       "checkSpreadArgument")                                                   \
+   do_name(    checkSpreadArgument_signature,  "(Ljava/lang/Object;I)V")                                                \
+                                                                                                                        \
+  /* unboxing methods: */                                                                                               \
+  do_intrinsic(_booleanValue,             java_lang_Boolean,      booleanValue_name, void_boolean_signature, F_R)       \
+   do_name(     booleanValue_name,       "booleanValue")                                                                \
+  do_intrinsic(_byteValue,                java_lang_Byte,         byteValue_name, void_byte_signature, F_R)             \
+   do_name(     byteValue_name,          "byteValue")                                                                   \
+  do_intrinsic(_charValue,                java_lang_Character,    charValue_name, void_char_signature, F_R)             \
+   do_name(     charValue_name,          "charValue")                                                                   \
+  do_intrinsic(_shortValue,               java_lang_Short,        shortValue_name, void_short_signature, F_R)           \
+   do_name(     shortValue_name,         "shortValue")                                                                  \
+  do_intrinsic(_intValue,                 java_lang_Integer,      intValue_name, void_int_signature, F_R)               \
+   do_name(     intValue_name,           "intValue")                                                                    \
+  do_intrinsic(_longValue,                java_lang_Long,         longValue_name, void_long_signature, F_R)             \
+   do_name(     longValue_name,          "longValue")                                                                   \
+  do_intrinsic(_floatValue,               java_lang_Float,        floatValue_name, void_float_signature, F_R)           \
+   do_name(     floatValue_name,         "floatValue")                                                                  \
+  do_intrinsic(_doubleValue,              java_lang_Double,       doubleValue_name, void_double_signature, F_R)         \
+   do_name(     doubleValue_name,        "doubleValue")                                                                 \
+                                                                                                                        \
+  /* boxing methods: */                                                                                                 \
+   do_name(    valueOf_name,              "valueOf")                                                                    \
+  do_intrinsic(_Boolean_valueOf,          java_lang_Boolean,      valueOf_name, Boolean_valueOf_signature, F_S)         \
+   do_name(     Boolean_valueOf_signature,                       "(Z)Ljava/lang/Boolean;")                              \
+  do_intrinsic(_Byte_valueOf,             java_lang_Byte,         valueOf_name, Byte_valueOf_signature, F_S)            \
+   do_name(     Byte_valueOf_signature,                          "(B)Ljava/lang/Byte;")                                 \
+  do_intrinsic(_Character_valueOf,        java_lang_Character,    valueOf_name, Character_valueOf_signature, F_S)       \
+   do_name(     Character_valueOf_signature,                     "(C)Ljava/lang/Character;")                            \
+  do_intrinsic(_Short_valueOf,            java_lang_Short,        valueOf_name, Short_valueOf_signature, F_S)           \
+   do_name(     Short_valueOf_signature,                         "(S)Ljava/lang/Short;")                                \
+  do_intrinsic(_Integer_valueOf,          java_lang_Integer,      valueOf_name, Integer_valueOf_signature, F_S)         \
+   do_name(     Integer_valueOf_signature,                       "(I)Ljava/lang/Integer;")                              \
+  do_intrinsic(_Long_valueOf,             java_lang_Long,         valueOf_name, Long_valueOf_signature, F_S)            \
+   do_name(     Long_valueOf_signature,                          "(J)Ljava/lang/Long;")                                 \
+  do_intrinsic(_Float_valueOf,            java_lang_Float,        valueOf_name, Float_valueOf_signature, F_S)           \
+   do_name(     Float_valueOf_signature,                         "(F)Ljava/lang/Float;")                                \
+  do_intrinsic(_Double_valueOf,           java_lang_Double,       valueOf_name, Double_valueOf_signature, F_S)          \
+   do_name(     Double_valueOf_signature,                        "(D)Ljava/lang/Double;")                               \
                                                                                                                         \
     /*end*/
 
@@ -984,7 +1029,12 @@ class vmIntrinsics: AllStatic {
     F_Y,                        // !static ?native  synchronized
     F_RN,                       // !static  native !synchronized
     F_SN,                       //  static  native !synchronized
-    F_RNY                       // !static  native  synchronized
+    F_RNY,                      // !static  native  synchronized
+
+    FLAG_LIMIT
+  };
+  enum {
+    log2_FLAG_LIMIT = 4         // checked by an assert at start-up
   };
 
 public:
@@ -996,15 +1046,32 @@ public:
 
   static const char* name_at(ID id);
 
+private:
+  static ID find_id_impl(vmSymbols::SID holder,
+                         vmSymbols::SID name,
+                         vmSymbols::SID sig,
+                         jshort flags);
+
+public:
   // Given a method's class, name, signature, and access flags, report its ID.
   static ID find_id(vmSymbols::SID holder,
                     vmSymbols::SID name,
                     vmSymbols::SID sig,
-                    jshort flags);
+                    jshort flags) {
+    ID id = find_id_impl(holder, name, sig, flags);
+#ifdef ASSERT
+    // ID _none does not hold the following asserts.
+    if (id == _none)  return id;
+#endif
+    assert(    class_for(id) == holder, "correct id");
+    assert(     name_for(id) == name,   "correct id");
+    assert(signature_for(id) == sig,    "correct id");
+    return id;
+  }
 
   static void verify_method(ID actual_id, methodOop m) PRODUCT_RETURN;
 
-  // No need for these in the product:
+  // Find out the symbols behind an intrinsic:
   static vmSymbols::SID     class_for(ID id);
   static vmSymbols::SID      name_for(ID id);
   static vmSymbols::SID signature_for(ID id);
@@ -1014,4 +1081,11 @@ public:
 
   // Access to intrinsic methods:
   static methodOop method_for(ID id);
+
+  // Wrapper object methods:
+  static ID for_boxing(BasicType type);
+  static ID for_unboxing(BasicType type);
+
+  // Raw conversion:
+  static ID for_raw_conversion(BasicType src, BasicType dest);
 };

hotspot/src/share/vm/code/codeBlob.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 1998-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1998-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -102,6 +102,9 @@ class CodeBlob VALUE_OBJ_CLASS_SPEC {
   virtual bool is_compiled_by_c2() const         { return false; }
   virtual bool is_compiled_by_c1() const         { return false; }
 
+  // Casting
+  nmethod* as_nmethod_or_null()                  { return is_nmethod() ? (nmethod*) this : NULL; }
+
   // Boundaries
   address    header_begin() const                { return (address)    this; }
   address    header_end() const                  { return ((address)   this) + _header_size; };

hotspot/src/share/vm/code/debugInfoRec.cpp

@@ -281,6 +281,7 @@ void DebugInformationRecorder::describe_scope(int         pc_offset,
                                               ciMethod*   method,
                                               int         bci,
                                               bool        reexecute,
+                                              bool        is_method_handle_invoke,
                                               DebugToken* locals,
                                               DebugToken* expressions,
                                               DebugToken* monitors) {
@@ -292,8 +293,9 @@ void DebugInformationRecorder::describe_scope(int         pc_offset,
   int stream_offset = stream()->position();
   last_pd->set_scope_decode_offset(stream_offset);
 
-  // Record reexecute bit into pcDesc
+  // Record flags into pcDesc.
   last_pd->set_should_reexecute(reexecute);
+  last_pd->set_is_method_handle_invoke(is_method_handle_invoke);
 
   // serialize sender stream offest
   stream()->write_int(sender_stream_offset);

hotspot/src/share/vm/code/debugInfoRec.hpp

@@ -88,6 +88,7 @@ class DebugInformationRecorder: public ResourceObj {
                       ciMethod*   method,
                       int         bci,
                       bool        reexecute,
+                      bool        is_method_handle_invoke = false,
                       DebugToken* locals      = NULL,
                       DebugToken* expressions = NULL,
                       DebugToken* monitors    = NULL);

hotspot/src/share/vm/code/nmethod.cpp

@@ -1170,7 +1170,7 @@ void nmethod::log_state_change() const {
 }
 
 // Common functionality for both make_not_entrant and make_zombie
-bool nmethod::make_not_entrant_or_zombie(int state) {
+bool nmethod::make_not_entrant_or_zombie(unsigned int state) {
   assert(state == zombie || state == not_entrant, "must be zombie or not_entrant");
 
   // If the method is already zombie there is nothing to do
@@ -1724,9 +1724,9 @@ void nmethod::preserve_callee_argument_oops(frame fr, const RegisterMap *reg_map
   if (!method()->is_native()) {
     SimpleScopeDesc ssd(this, fr.pc());
     Bytecode_invoke* call = Bytecode_invoke_at(ssd.method(), ssd.bci());
-    bool is_static = call->is_invokestatic();
+    bool has_receiver = call->has_receiver();
     symbolOop signature = call->signature();
-    fr.oops_compiled_arguments_do(signature, is_static, reg_map, f);
+    fr.oops_compiled_arguments_do(signature, has_receiver, reg_map, f);
   }
 }
 
@@ -1763,6 +1763,14 @@ void nmethod::copy_scopes_pcs(PcDesc* pcs, int count) {
          "must end with a sentinel");
 #endif //ASSERT
 
+  // Search for MethodHandle invokes and tag the nmethod.
+  for (int i = 0; i < count; i++) {
+    if (pcs[i].is_method_handle_invoke()) {
+      set_has_method_handle_invokes(true);
+      break;
+    }
+  }
+
   int size = count * sizeof(PcDesc);
   assert(scopes_pcs_size() >= size, "oob");
   memcpy(scopes_pcs_begin(), pcs, size);
@@ -2029,6 +2037,18 @@ bool nmethod::is_deopt_pc(address pc) {
 }
 
 
+// -----------------------------------------------------------------------------
+// MethodHandle
+
+bool nmethod::is_method_handle_return(address return_pc) {
+  if (!has_method_handle_invokes())  return false;
+  PcDesc* pd = pc_desc_at(return_pc);
+  if (pd == NULL)
+    return false;
+  return pd->is_method_handle_invoke();
+}
+
+
 // -----------------------------------------------------------------------------
 // Verification
 

hotspot/src/share/vm/code/nmethod.hpp

@@ -81,18 +81,19 @@ class PcDescCache VALUE_OBJ_CLASS_SPEC {
 
 struct nmFlags {
   friend class VMStructs;
-  unsigned int version:8;                 // version number (0 = first version)
+  unsigned int version:8;                    // version number (0 = first version)
-  unsigned int level:4;                   // optimization level
+  unsigned int level:4;                      // optimization level
-  unsigned int age:4;                     // age (in # of sweep steps)
+  unsigned int age:4;                        // age (in # of sweep steps)
 
-  unsigned int state:2;                   // {alive, zombie, unloaded)
+  unsigned int state:2;                      // {alive, zombie, unloaded)
 
-  unsigned int isUncommonRecompiled:1;    // recompiled because of uncommon trap?
+  unsigned int isUncommonRecompiled:1;       // recompiled because of uncommon trap?
-  unsigned int isToBeRecompiled:1;        // to be recompiled as soon as it matures
+  unsigned int isToBeRecompiled:1;           // to be recompiled as soon as it matures
-  unsigned int hasFlushedDependencies:1;  // Used for maintenance of dependencies
+  unsigned int hasFlushedDependencies:1;     // Used for maintenance of dependencies
-  unsigned int markedForReclamation:1;    // Used by NMethodSweeper
+  unsigned int markedForReclamation:1;       // Used by NMethodSweeper
 
-  unsigned int has_unsafe_access:1;       // May fault due to unsafe access.
+  unsigned int has_unsafe_access:1;          // May fault due to unsafe access.
+  unsigned int has_method_handle_invokes:1;  // Has this method MethodHandle invokes?
 
   void clear();
 };
@@ -254,7 +255,7 @@ class nmethod : public CodeBlob {
   const char* reloc_string_for(u_char* begin, u_char* end);
   // Returns true if this thread changed the state of the nmethod or
   // false if another thread performed the transition.
-  bool make_not_entrant_or_zombie(int state);
+  bool make_not_entrant_or_zombie(unsigned int state);
   void inc_decompile_count();
 
   // used to check that writes to nmFlags are done consistently.
@@ -409,6 +410,9 @@ class nmethod : public CodeBlob {
   bool  has_unsafe_access() const                 { return flags.has_unsafe_access; }
   void  set_has_unsafe_access(bool z)             { flags.has_unsafe_access = z; }
 
+  bool  has_method_handle_invokes() const         { return flags.has_method_handle_invokes; }
+  void  set_has_method_handle_invokes(bool z)     { flags.has_method_handle_invokes = z; }
+
   int   level() const                             { return flags.level; }
   void  set_level(int newLevel)                   { check_safepoint(); flags.level = newLevel; }
 
@@ -541,6 +545,9 @@ class nmethod : public CodeBlob {
   address get_original_pc(const frame* fr) { return *orig_pc_addr(fr); }
   void    set_original_pc(const frame* fr, address pc) { *orig_pc_addr(fr) = pc; }
 
+  // MethodHandle
+  bool is_method_handle_return(address return_pc);
+
   // jvmti support:
   void post_compiled_method_load_event();
 

hotspot/src/share/vm/code/pcDesc.hpp

@@ -38,6 +38,7 @@ class PcDesc VALUE_OBJ_CLASS_SPEC {
     int word;
     struct {
       unsigned int reexecute: 1;
+      unsigned int is_method_handle_invoke: 1;
     } bits;
     bool operator ==(const PcDescFlags& other) { return word == other.word; }
   } _flags;
@@ -72,6 +73,9 @@ class PcDesc VALUE_OBJ_CLASS_SPEC {
       _flags == pd->_flags;
   }
 
+  bool     is_method_handle_invoke()       const { return _flags.bits.is_method_handle_invoke;     }
+  void set_is_method_handle_invoke(bool z)       {        _flags.bits.is_method_handle_invoke = z; }
+
   // Returns the real pc
   address real_pc(const nmethod* code) const;
 

hotspot/src/share/vm/compiler/compileBroker.cpp

@@ -1820,9 +1820,11 @@ void CompileBroker::print_times() {
                 CompileBroker::_t_standard_compilation.seconds(),
                 CompileBroker::_t_standard_compilation.seconds() / CompileBroker::_total_standard_compile_count);
   tty->print_cr("    On stack replacement   : %6.3f s, Average : %2.3f", CompileBroker::_t_osr_compilation.seconds(), CompileBroker::_t_osr_compilation.seconds() / CompileBroker::_total_osr_compile_count);
-  compiler(CompLevel_fast_compile)->print_timers();
+
-  if (compiler(CompLevel_fast_compile) != compiler(CompLevel_highest_tier)) {
+  if (compiler(CompLevel_fast_compile)) {
-    compiler(CompLevel_highest_tier)->print_timers();
+    compiler(CompLevel_fast_compile)->print_timers();
+    if (compiler(CompLevel_fast_compile) != compiler(CompLevel_highest_tier))
+      compiler(CompLevel_highest_tier)->print_timers();
   }
 
   tty->cr();

hotspot/src/share/vm/compiler/methodLiveness.cpp

@@ -782,6 +782,7 @@ void MethodLiveness::BasicBlock::compute_gen_kill_single(ciBytecodeStream *instr
     case Bytecodes::_invokespecial:
     case Bytecodes::_invokestatic:
     case Bytecodes::_invokeinterface:
+    case Bytecodes::_invokedynamic:
     case Bytecodes::_newarray:
     case Bytecodes::_anewarray:
     case Bytecodes::_checkcast:

hotspot/src/share/vm/gc_interface/collectedHeap.cpp

@@ -274,7 +274,7 @@ CollectedHeap::fill_with_object_impl(HeapWord* start, size_t words)
     fill_with_array(start, words);
   } else if (words > 0) {
     assert(words == min_fill_size(), "unaligned size");
-    post_allocation_setup_common(SystemDictionary::object_klass(), start,
+    post_allocation_setup_common(SystemDictionary::Object_klass(), start,
                                  words);
   }
 }

hotspot/src/share/vm/includeDB_compiler2

@@ -155,6 +155,9 @@ callGenerator.cpp                       callnode.hpp
 callGenerator.cpp                       cfgnode.hpp
 callGenerator.cpp                       compileLog.hpp
 callGenerator.cpp                       connode.hpp
+callGenerator.cpp                       ciCPCache.hpp
+callGenerator.cpp                       ciMethodHandle.hpp
+callGenerator.cpp                       javaClasses.hpp
 callGenerator.cpp                       parse.hpp
 callGenerator.cpp                       rootnode.hpp
 callGenerator.cpp                       runtime.hpp
@@ -391,6 +394,9 @@ divnode.hpp                             type.hpp
 
 doCall.cpp                              addnode.hpp
 doCall.cpp                              callGenerator.hpp
+doCall.cpp                              ciCallSite.hpp
+doCall.cpp                              ciCPCache.hpp
+doCall.cpp                              ciMethodHandle.hpp
 doCall.cpp                              cfgnode.hpp
 doCall.cpp                              compileLog.hpp
 doCall.cpp                              linkResolver.hpp

hotspot/src/share/vm/includeDB_core

@@ -516,6 +516,11 @@ ciArrayKlassKlass.hpp                   ciKlassKlass.hpp
 
 ciCallProfile.hpp                       ciClassList.hpp
 
+ciCallSite.cpp                          ciCallSite.hpp
+ciCallSite.cpp                          ciUtilities.hpp
+
+ciCallSite.hpp                          ciInstance.hpp
+
 ciConstant.cpp                          allocation.hpp
 ciConstant.cpp                          allocation.inline.hpp
 ciConstant.cpp                          ciConstant.hpp
@@ -532,6 +537,12 @@ ciConstantPoolCache.cpp                 ciUtilities.hpp
 ciConstantPoolCache.hpp                 growableArray.hpp
 ciConstantPoolCache.hpp                 resourceArea.hpp
 
+ciCPCache.cpp                           cpCacheOop.hpp
+ciCPCache.cpp                           ciCPCache.hpp
+
+ciCPCache.hpp                           ciClassList.hpp
+ciCPCache.hpp                           ciObject.hpp
+
 ciEnv.cpp                               allocation.inline.hpp
 ciEnv.cpp                               ciConstant.hpp
 ciEnv.cpp                               ciEnv.hpp
@@ -593,6 +604,7 @@ ciField.cpp                             universe.inline.hpp
 ciField.hpp                             ciClassList.hpp
 ciField.hpp                             ciConstant.hpp
 ciField.hpp                             ciFlags.hpp
+ciField.hpp                             ciInstance.hpp
 
 ciFlags.cpp                             ciFlags.hpp
 
@@ -679,6 +691,7 @@ ciMethod.hpp                            ciFlags.hpp
 ciMethod.hpp                            ciInstanceKlass.hpp
 ciMethod.hpp                            ciObject.hpp
 ciMethod.hpp                            ciSignature.hpp
+ciMethod.hpp                            methodHandles.hpp
 ciMethod.hpp                            methodLiveness.hpp
 
 ciMethodBlocks.cpp                      bytecode.hpp
@@ -710,6 +723,15 @@ ciMethodKlass.cpp                       ciUtilities.hpp
 ciMethodKlass.hpp                       ciKlass.hpp
 ciMethodKlass.hpp                       ciSymbol.hpp
 
+ciMethodHandle.cpp                      ciClassList.hpp
+ciMethodHandle.cpp                      ciInstance.hpp
+ciMethodHandle.cpp                      ciMethodHandle.hpp
+ciMethodHandle.cpp                      ciUtilities.hpp
+ciMethodHandle.cpp                      methodHandles.hpp
+ciMethodHandle.cpp                      methodHandleWalk.hpp
+
+ciMethodHandle.hpp                      methodHandles.hpp
+
 ciNullObject.cpp                        ciNullObject.hpp
 
 ciNullObject.hpp                        ciClassList.hpp
@@ -755,11 +777,14 @@ ciObject.hpp                            handles.hpp
 ciObject.hpp                            jniHandles.hpp
 
 ciObjectFactory.cpp                     allocation.inline.hpp
+ciObjectFactory.cpp                     ciCallSite.hpp
+ciObjectFactory.cpp                     ciCPCache.hpp
 ciObjectFactory.cpp                     ciInstance.hpp
 ciObjectFactory.cpp                     ciInstanceKlass.hpp
 ciObjectFactory.cpp                     ciInstanceKlassKlass.hpp
 ciObjectFactory.cpp                     ciMethod.hpp
 ciObjectFactory.cpp                     ciMethodData.hpp
+ciObjectFactory.cpp                     ciMethodHandle.hpp
 ciObjectFactory.cpp                     ciMethodKlass.hpp
 ciObjectFactory.cpp                     ciNullObject.hpp
 ciObjectFactory.cpp                     ciObjArray.hpp
@@ -793,6 +818,7 @@ ciSignature.hpp                         ciSymbol.hpp
 ciSignature.hpp                         globalDefinitions.hpp
 ciSignature.hpp                         growableArray.hpp
 
+ciStreams.cpp                           ciCallSite.hpp
 ciStreams.cpp                           ciConstant.hpp
 ciStreams.cpp                           ciField.hpp
 ciStreams.cpp                           ciStreams.hpp
@@ -2814,6 +2840,12 @@ methodDataOop.hpp                       oop.hpp
 methodDataOop.hpp                       orderAccess.hpp
 methodDataOop.hpp                       universe.hpp
 
+methodHandleWalk.hpp                    methodHandles.hpp
+
+methodHandleWalk.cpp                    methodHandleWalk.hpp
+methodHandleWalk.cpp                    oopFactory.hpp
+methodHandleWalk.cpp                    rewriter.hpp
+
 methodHandles.hpp                       frame.inline.hpp
 methodHandles.hpp                       globals.hpp
 methodHandles.hpp                       interfaceSupport.hpp

hotspot/src/share/vm/interpreter/bytecode.cpp

@@ -102,7 +102,9 @@ methodHandle Bytecode_invoke::static_target(TRAPS) {
   KlassHandle resolved_klass;
   constantPoolHandle constants(THREAD, _method->constants());
 
-  if (adjusted_invoke_code() != Bytecodes::_invokeinterface) {
+  if (adjusted_invoke_code() == Bytecodes::_invokedynamic) {
+    LinkResolver::resolve_dynamic_method(m, resolved_klass, constants, index(), CHECK_(methodHandle()));
+  } else if (adjusted_invoke_code() != Bytecodes::_invokeinterface) {
     LinkResolver::resolve_method(m, resolved_klass, constants, index(), CHECK_(methodHandle()));
   } else {
     LinkResolver::resolve_interface_method(m, resolved_klass, constants, index(), CHECK_(methodHandle()));

hotspot/src/share/vm/interpreter/bytecode.hpp

@@ -205,12 +205,14 @@ class Bytecode_invoke: public ResourceObj {
   bool is_invokespecial() const                  { return adjusted_invoke_code() == Bytecodes::_invokespecial; }
   bool is_invokedynamic() const                  { return adjusted_invoke_code() == Bytecodes::_invokedynamic; }
 
+  bool has_receiver() const                      { return !is_invokestatic() && !is_invokedynamic(); }
   bool has_giant_index() const                   { return is_invokedynamic(); }
 
   bool is_valid() const                          { return is_invokeinterface() ||
                                                           is_invokevirtual()   ||
                                                           is_invokestatic()    ||
-                                                          is_invokespecial();     }
+                                                          is_invokespecial()   ||
+                                                          is_invokedynamic(); }
 
   // Creation
   inline friend Bytecode_invoke* Bytecode_invoke_at(methodHandle method, int bci);

hotspot/src/share/vm/interpreter/bytecodeTracer.cpp

@@ -270,6 +270,8 @@ void BytecodePrinter::print_constant(int i, outputStream* st) {
     st->print_cr(" %s", constants->resolved_klass_at(i)->klass_part()->external_name());
   } else if (tag.is_unresolved_klass()) {
     st->print_cr(" <unresolved klass at %d>", i);
+  } else if (tag.is_object()) {
+    st->print_cr(" " PTR_FORMAT, constants->object_at(i));
   } else {
     st->print_cr(" bad tag=%d at %d", tag.value(), i);
   }

hotspot/src/share/vm/interpreter/bytecodes.cpp

@@ -357,7 +357,7 @@ void Bytecodes::initialize() {
   def(_invokespecial       , "invokespecial"       , "bjj"  , NULL    , T_ILLEGAL, -1, true);
   def(_invokestatic        , "invokestatic"        , "bjj"  , NULL    , T_ILLEGAL,  0, true);
   def(_invokeinterface     , "invokeinterface"     , "bjj__", NULL    , T_ILLEGAL, -1, true);
-  def(_invokedynamic       , "invokedynamic"       , "bjjjj", NULL    , T_ILLEGAL, -1, true );
+  def(_invokedynamic       , "invokedynamic"       , "bjjjj", NULL    , T_ILLEGAL,  0, true );
   def(_new                 , "new"                 , "bii"  , NULL    , T_OBJECT ,  1, true );
   def(_newarray            , "newarray"            , "bc"   , NULL    , T_OBJECT ,  0, true );
   def(_anewarray           , "anewarray"           , "bii"  , NULL    , T_OBJECT ,  0, true );

hotspot/src/share/vm/interpreter/interpreter.cpp

@@ -323,7 +323,7 @@ address AbstractInterpreter::deopt_continue_after_entry(methodOop method, addres
       // (NOT needed for the old calling convension)
       if (!is_top_frame) {
         int index = Bytes::get_native_u4(bcp+1);
-        method->constants()->cache()->entry_at(index)->set_parameter_size(callee_parameters);
+        method->constants()->cache()->secondary_entry_at(index)->set_parameter_size(callee_parameters);
       }
       break;
     }

hotspot/src/share/vm/interpreter/interpreterRuntime.cpp

@@ -353,7 +353,7 @@ IRT_ENTRY(address, InterpreterRuntime::exception_handler_for_exception(JavaThrea
     assert(h_exception.not_null(), "NULL exceptions should be handled by athrow");
     assert(h_exception->is_oop(), "just checking");
     // Check that exception is a subclass of Throwable, otherwise we have a VerifyError
-    if (!(h_exception->is_a(SystemDictionary::throwable_klass()))) {
+    if (!(h_exception->is_a(SystemDictionary::Throwable_klass()))) {
       if (ExitVMOnVerifyError) vm_exit(-1);
       ShouldNotReachHere();
     }
@@ -585,7 +585,7 @@ IRT_ENTRY(void, InterpreterRuntime::new_illegal_monitor_state_exception(JavaThre
   Handle exception(thread, thread->vm_result());
   assert(exception() != NULL, "vm result should be set");
   thread->set_vm_result(NULL); // clear vm result before continuing (may cause memory leaks and assert failures)
-  if (!exception->is_a(SystemDictionary::threaddeath_klass())) {
+  if (!exception->is_a(SystemDictionary::ThreadDeath_klass())) {
     exception = get_preinitialized_exception(
                        SystemDictionary::IllegalMonitorStateException_klass(),
                        CATCH);
@@ -660,7 +660,7 @@ IRT_ENTRY(void, InterpreterRuntime::resolve_invoke(JavaThread* thread, Bytecodes
       tty->print_cr("Resolving: klass: %s to method: %s", info.resolved_klass()->name()->as_C_string(), info.resolved_method()->name()->as_C_string());
     }
     if (info.resolved_method()->method_holder() ==
-                                            SystemDictionary::object_klass()) {
+                                            SystemDictionary::Object_klass()) {
       // NOTE: THIS IS A FIX FOR A CORNER CASE in the JVM spec
       // (see also cpCacheOop.cpp for details)
       methodHandle rm = info.resolved_method();
@@ -1250,7 +1250,7 @@ IRT_LEAF(void, InterpreterRuntime::popframe_move_outgoing_args(JavaThread* threa
   methodHandle mh(thread, fr.interpreter_frame_method());
   Bytecode_invoke* invoke = Bytecode_invoke_at(mh, bci);
   ArgumentSizeComputer asc(invoke->signature());
-  int size_of_arguments = (asc.size() + (invoke->is_invokestatic() ? 0 : 1)); // receiver
+  int size_of_arguments = (asc.size() + (invoke->has_receiver() ? 1 : 0)); // receiver
   Copy::conjoint_bytes(src_address, dest_address,
                        size_of_arguments * Interpreter::stackElementSize());
 IRT_END

hotspot/src/share/vm/interpreter/linkResolver.cpp

@@ -55,7 +55,7 @@ void CallInfo::set_interface(KlassHandle resolved_klass, KlassHandle selected_kl
   // we should pick the vtable index from the resolved method.
   // Other than that case, there is no valid vtable index to specify.
   int vtable_index = methodOopDesc::invalid_vtable_index;
-  if (resolved_method->method_holder() == SystemDictionary::object_klass()) {
+  if (resolved_method->method_holder() == SystemDictionary::Object_klass()) {
     assert(resolved_method->vtable_index() == selected_method->vtable_index(), "sanity check");
     vtable_index = resolved_method->vtable_index();
   }
@@ -75,6 +75,8 @@ void CallInfo::set_common(KlassHandle resolved_klass, KlassHandle selected_klass
   _selected_method = selected_method;
   _vtable_index    = vtable_index;
   if (CompilationPolicy::mustBeCompiled(selected_method)) {
+    // This path is unusual, mostly used by the '-Xcomp' stress test mode.
+
     // Note: with several active threads, the mustBeCompiled may be true
     //       while canBeCompiled is false; remove assert
     // assert(CompilationPolicy::canBeCompiled(selected_method), "cannot compile");
@@ -82,6 +84,16 @@ void CallInfo::set_common(KlassHandle resolved_klass, KlassHandle selected_klass
       // don't force compilation, resolve was on behalf of compiler
       return;
     }
+    if (instanceKlass::cast(selected_method->method_holder())->is_not_initialized()) {
+      // 'is_not_initialized' means not only '!is_initialized', but also that
+      // initialization has not been started yet ('!being_initialized')
+      // Do not force compilation of methods in uninitialized classes.
+      // Note that doing this would throw an assert later,
+      // in CompileBroker::compile_method.
+      // We sometimes use the link resolver to do reflective lookups
+      // even before classes are initialized.
+      return;
+    }
     CompileBroker::compile_method(selected_method, InvocationEntryBci,
                                   methodHandle(), 0, "mustBeCompiled", CHECK);
   }
@@ -181,7 +193,7 @@ void LinkResolver::check_method_accessability(KlassHandle ref_klass,
   // We'll check for the method name first, as that's most likely
   // to be false (so we'll short-circuit out of these tests).
   if (sel_method->name() == vmSymbols::clone_name() &&
-      sel_klass() == SystemDictionary::object_klass() &&
+      sel_klass() == SystemDictionary::Object_klass() &&
       resolved_klass->oop_is_array()) {
     // We need to change "protected" to "public".
     assert(flags.is_protected(), "clone not protected?");
@@ -223,6 +235,18 @@ void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle& re
   resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
 }
 
+void LinkResolver::resolve_dynamic_method(methodHandle& resolved_method, KlassHandle& resolved_klass, constantPoolHandle pool, int index, TRAPS) {
+  // The class is java.dyn.MethodHandle
+  resolved_klass = SystemDictionaryHandles::MethodHandle_klass();
+
+  symbolHandle method_name = vmSymbolHandles::invoke_name();
+
+  symbolHandle method_signature(THREAD, pool->signature_ref_at(index));
+  KlassHandle  current_klass   (THREAD, pool->pool_holder());
+
+  resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
+}
+
 void LinkResolver::resolve_interface_method(methodHandle& resolved_method, KlassHandle& resolved_klass, constantPoolHandle pool, int index, TRAPS) {
 
   // resolve klass

hotspot/src/share/vm/interpreter/linkResolver.hpp

@@ -133,6 +133,7 @@ class LinkResolver: AllStatic {
 
   // static resolving for all calls except interface calls
   static void resolve_method          (methodHandle& method_result, KlassHandle& klass_result, constantPoolHandle pool, int index, TRAPS);
+  static void resolve_dynamic_method  (methodHandle& resolved_method, KlassHandle& resolved_klass, constantPoolHandle pool, int index, TRAPS);
   static void resolve_interface_method(methodHandle& method_result, KlassHandle& klass_result, constantPoolHandle pool, int index, TRAPS);
 
   // runtime/static resolving for fields

hotspot/src/share/vm/interpreter/rewriter.cpp

@@ -247,15 +247,22 @@ methodHandle Rewriter::rewrite_jsrs(methodHandle method, TRAPS) {
 
 void Rewriter::rewrite(instanceKlassHandle klass, TRAPS) {
   ResourceMark rm(THREAD);
-  Rewriter     rw(klass, CHECK);
+  Rewriter     rw(klass, klass->constants(), klass->methods(), CHECK);
   // (That's all, folks.)
 }
 
-Rewriter::Rewriter(instanceKlassHandle klass, TRAPS)
+
+void Rewriter::rewrite(instanceKlassHandle klass, constantPoolHandle cpool, objArrayHandle methods, TRAPS) {
+  ResourceMark rm(THREAD);
+  Rewriter     rw(klass, cpool, methods, CHECK);
+  // (That's all, folks.)
+}
+
+
+Rewriter::Rewriter(instanceKlassHandle klass, constantPoolHandle cpool, objArrayHandle methods, TRAPS)
   : _klass(klass),
-    // gather starting points
+    _pool(cpool),
-    _pool(   THREAD, klass->constants()),
+    _methods(methods)
-    _methods(THREAD, klass->methods())
 {
   assert(_pool->cache() == NULL, "constant pool cache must not be set yet");
 

hotspot/src/share/vm/interpreter/rewriter.hpp

@@ -57,7 +57,7 @@ class Rewriter: public StackObj {
   }
 
   // All the work goes in here:
-  Rewriter(instanceKlassHandle klass, TRAPS);
+  Rewriter(instanceKlassHandle klass, constantPoolHandle cpool, objArrayHandle methods, TRAPS);
 
   void compute_index_maps();
   void make_constant_pool_cache(TRAPS);
@@ -70,6 +70,7 @@ class Rewriter: public StackObj {
  public:
   // Driver routine:
   static void rewrite(instanceKlassHandle klass, TRAPS);
+  static void rewrite(instanceKlassHandle klass, constantPoolHandle cpool, objArrayHandle methods, TRAPS);
 
   enum {
     _secondary_entry_tag = nth_bit(30)

hotspot/src/share/vm/memory/classify.cpp

@@ -49,7 +49,7 @@ object_type ClassifyObjectClosure::classify_object(oop obj, bool count) {
 
   Klass* k = obj->blueprint();
 
-  if (k->as_klassOop() == SystemDictionary::object_klass()) {
+  if (k->as_klassOop() == SystemDictionary::Object_klass()) {
     tty->print_cr("Found the class!");
   }
 

hotspot/src/share/vm/memory/dump.cpp

@@ -63,7 +63,7 @@ public:
   void do_oop(oop* p) {
     if (p != NULL) {
       oop obj = *p;
-      if (obj->klass() == SystemDictionary::string_klass()) {
+      if (obj->klass() == SystemDictionary::String_klass()) {
 
         int hash;
         typeArrayOop value = java_lang_String::value(obj);
@@ -625,11 +625,11 @@ public:
 
     if (obj->is_klass() || obj->is_instance()) {
       if (obj->is_klass() ||
-          obj->is_a(SystemDictionary::class_klass()) ||
+          obj->is_a(SystemDictionary::Class_klass()) ||
-          obj->is_a(SystemDictionary::throwable_klass())) {
+          obj->is_a(SystemDictionary::Throwable_klass())) {
         // Do nothing
       }
-      else if (obj->is_a(SystemDictionary::string_klass())) {
+      else if (obj->is_a(SystemDictionary::String_klass())) {
         // immutable objects.
       } else {
         // someone added an object we hadn't accounted for.

hotspot/src/share/vm/memory/referenceProcessor.cpp

@@ -71,7 +71,7 @@ void ReferenceProcessor::init_statics() {
   assert(_sentinelRef == NULL, "should be initialized precisely once");
   EXCEPTION_MARK;
   _sentinelRef = instanceKlass::cast(
-                    SystemDictionary::reference_klass())->
+                    SystemDictionary::Reference_klass())->
                       allocate_permanent_instance(THREAD);
 
   // Initialize the master soft ref clock.

hotspot/src/share/vm/memory/space.cpp

@@ -876,7 +876,7 @@ void ContiguousSpace::allocate_temporary_filler(int factor) {
     instanceOop obj = (instanceOop) allocate(size);
     obj->set_mark(markOopDesc::prototype());
     obj->set_klass_gap(0);
-    obj->set_klass(SystemDictionary::object_klass());
+    obj->set_klass(SystemDictionary::Object_klass());
   }
 }
 

hotspot/src/share/vm/memory/universe.cpp

@@ -291,7 +291,7 @@ void Universe::genesis(TRAPS) {
 
     SystemDictionary::initialize(CHECK);
 
-    klassOop ok = SystemDictionary::object_klass();
+    klassOop ok = SystemDictionary::Object_klass();
 
     _the_null_string            = StringTable::intern("null", CHECK);
     _the_min_jint_string       = StringTable::intern("-2147483648", CHECK);
@@ -299,9 +299,9 @@ void Universe::genesis(TRAPS) {
     if (UseSharedSpaces) {
       // Verify shared interfaces array.
       assert(_the_array_interfaces_array->obj_at(0) ==
-             SystemDictionary::cloneable_klass(), "u3");
+             SystemDictionary::Cloneable_klass(), "u3");
       assert(_the_array_interfaces_array->obj_at(1) ==
-             SystemDictionary::serializable_klass(), "u3");
+             SystemDictionary::Serializable_klass(), "u3");
 
       // Verify element klass for system obj array klass
       assert(objArrayKlass::cast(_systemObjArrayKlassObj)->element_klass() == ok, "u1");
@@ -320,8 +320,8 @@ void Universe::genesis(TRAPS) {
       assert(Klass::cast(systemObjArrayKlassObj())->super() == ok, "u3");
     } else {
       // Set up shared interfaces array.  (Do this before supers are set up.)
-      _the_array_interfaces_array->obj_at_put(0, SystemDictionary::cloneable_klass());
+      _the_array_interfaces_array->obj_at_put(0, SystemDictionary::Cloneable_klass());
-      _the_array_interfaces_array->obj_at_put(1, SystemDictionary::serializable_klass());
+      _the_array_interfaces_array->obj_at_put(1, SystemDictionary::Serializable_klass());
 
       // Set element klass for system obj array klass
       objArrayKlass::cast(_systemObjArrayKlassObj)->set_element_klass(ok);
@@ -365,7 +365,7 @@ void Universe::genesis(TRAPS) {
   // Initialize _objectArrayKlass after core bootstraping to make
   // sure the super class is set up properly for _objectArrayKlass.
   _objectArrayKlassObj = instanceKlass::
-    cast(SystemDictionary::object_klass())->array_klass(1, CHECK);
+    cast(SystemDictionary::Object_klass())->array_klass(1, CHECK);
   // Add the class to the class hierarchy manually to make sure that
   // its vtable is initialized after core bootstrapping is completed.
   Klass::cast(_objectArrayKlassObj)->append_to_sibling_list();
@@ -426,11 +426,11 @@ void Universe::genesis(TRAPS) {
     while (i < size) {
       if (!UseConcMarkSweepGC) {
         // Allocate dummy in old generation
-        oop dummy = instanceKlass::cast(SystemDictionary::object_klass())->allocate_instance(CHECK);
+        oop dummy = instanceKlass::cast(SystemDictionary::Object_klass())->allocate_instance(CHECK);
         dummy_array->obj_at_put(i++, dummy);
       }
       // Allocate dummy in permanent generation
-      oop dummy = instanceKlass::cast(SystemDictionary::object_klass())->allocate_permanent_instance(CHECK);
+      oop dummy = instanceKlass::cast(SystemDictionary::Object_klass())->allocate_permanent_instance(CHECK);
       dummy_array->obj_at_put(i++, dummy);
     }
     {
@@ -540,7 +540,7 @@ void Universe::fixup_mirrors(TRAPS) {
   // but we cannot do that for classes created before java.lang.Class is loaded. Here we simply
   // walk over permanent objects created so far (mostly classes) and fixup their mirrors. Note
   // that the number of objects allocated at this point is very small.
-  assert(SystemDictionary::class_klass_loaded(), "java.lang.Class should be loaded");
+  assert(SystemDictionary::Class_klass_loaded(), "java.lang.Class should be loaded");
   FixupMirrorClosure blk;
   Universe::heap()->permanent_object_iterate(&blk);
 }
@@ -556,7 +556,7 @@ void Universe::run_finalizers_on_exit() {
   if (TraceReferenceGC) tty->print_cr("Callback to run finalizers on exit");
   {
     PRESERVE_EXCEPTION_MARK;
-    KlassHandle finalizer_klass(THREAD, SystemDictionary::finalizer_klass());
+    KlassHandle finalizer_klass(THREAD, SystemDictionary::Finalizer_klass());
     JavaValue result(T_VOID);
     JavaCalls::call_static(
       &result,
@@ -950,7 +950,7 @@ bool universe_post_init() {
   { ResourceMark rm;
     Interpreter::initialize();      // needed for interpreter entry points
     if (!UseSharedSpaces) {
-      KlassHandle ok_h(THREAD, SystemDictionary::object_klass());
+      KlassHandle ok_h(THREAD, SystemDictionary::Object_klass());
       Universe::reinitialize_vtable_of(ok_h, CHECK_false);
       Universe::reinitialize_itables(CHECK_false);
     }
@@ -960,7 +960,7 @@ bool universe_post_init() {
   instanceKlassHandle k_h;
   if (!UseSharedSpaces) {
     // Setup preallocated empty java.lang.Class array
-    Universe::_the_empty_class_klass_array = oopFactory::new_objArray(SystemDictionary::class_klass(), 0, CHECK_false);
+    Universe::_the_empty_class_klass_array = oopFactory::new_objArray(SystemDictionary::Class_klass(), 0, CHECK_false);
     // Setup preallocated OutOfMemoryError errors
     k = SystemDictionary::resolve_or_fail(vmSymbolHandles::java_lang_OutOfMemoryError(), true, CHECK_false);
     k_h = instanceKlassHandle(THREAD, k);
@@ -1027,8 +1027,8 @@ bool universe_post_init() {
   // Setup static method for registering finalizers
   // The finalizer klass must be linked before looking up the method, in
   // case it needs to get rewritten.
-  instanceKlass::cast(SystemDictionary::finalizer_klass())->link_class(CHECK_false);
+  instanceKlass::cast(SystemDictionary::Finalizer_klass())->link_class(CHECK_false);
-  methodOop m = instanceKlass::cast(SystemDictionary::finalizer_klass())->find_method(
+  methodOop m = instanceKlass::cast(SystemDictionary::Finalizer_klass())->find_method(
                                   vmSymbols::register_method_name(),
                                   vmSymbols::register_method_signature());
   if (m == NULL || !m->is_static()) {
@@ -1036,7 +1036,7 @@ bool universe_post_init() {
       "java.lang.ref.Finalizer.register", false);
   }
   Universe::_finalizer_register_cache->init(
-    SystemDictionary::finalizer_klass(), m, CHECK_false);
+    SystemDictionary::Finalizer_klass(), m, CHECK_false);
 
   // Resolve on first use and initialize class.
   // Note: No race-condition here, since a resolve will always return the same result
@@ -1053,14 +1053,14 @@ bool universe_post_init() {
   Universe::_reflect_invoke_cache->init(k_h(), m, CHECK_false);
 
   // Setup method for registering loaded classes in class loader vector
-  instanceKlass::cast(SystemDictionary::classloader_klass())->link_class(CHECK_false);
+  instanceKlass::cast(SystemDictionary::ClassLoader_klass())->link_class(CHECK_false);
-  m = instanceKlass::cast(SystemDictionary::classloader_klass())->find_method(vmSymbols::addClass_name(), vmSymbols::class_void_signature());
+  m = instanceKlass::cast(SystemDictionary::ClassLoader_klass())->find_method(vmSymbols::addClass_name(), vmSymbols::class_void_signature());
   if (m == NULL || m->is_static()) {
     THROW_MSG_(vmSymbols::java_lang_NoSuchMethodException(),
       "java.lang.ClassLoader.addClass", false);
   }
   Universe::_loader_addClass_cache->init(
-    SystemDictionary::classloader_klass(), m, CHECK_false);
+    SystemDictionary::ClassLoader_klass(), m, CHECK_false);
 
   // The folowing is initializing converter functions for serialization in
   // JVM.cpp. If we clean up the StrictMath code above we may want to find

hotspot/src/share/vm/oops/arrayKlass.cpp

@@ -43,7 +43,7 @@ klassOop arrayKlass::java_super() const {
   if (super() == NULL)  return NULL;  // bootstrap case
   // Array klasses have primary supertypes which are not reported to Java.
   // Example super chain:  String[][] -> Object[][] -> Object[] -> Object
-  return SystemDictionary::object_klass();
+  return SystemDictionary::Object_klass();
 }
 
 
@@ -82,7 +82,7 @@ const Klass_vtbl& cplusplus_vtbl, int header_size, KlassHandle klass, TRAPS) {
   k = arrayKlassHandle(THREAD, base_klass());
 
   assert(!k()->is_parsable(), "not expecting parsability yet.");
-  k->set_super(Universe::is_bootstrapping() ? (klassOop)NULL : SystemDictionary::object_klass());
+  k->set_super(Universe::is_bootstrapping() ? (klassOop)NULL : SystemDictionary::Object_klass());
   k->set_layout_helper(Klass::_lh_neutral_value);
   k->set_dimension(1);
   k->set_higher_dimension(NULL);
@@ -117,9 +117,9 @@ objArrayOop arrayKlass::compute_secondary_supers(int num_extra_slots, TRAPS) {
 
 bool arrayKlass::compute_is_subtype_of(klassOop k) {
   // An array is a subtype of Serializable, Clonable, and Object
-  return    k == SystemDictionary::object_klass()
+  return    k == SystemDictionary::Object_klass()
-         || k == SystemDictionary::cloneable_klass()
+         || k == SystemDictionary::Cloneable_klass()
-         || k == SystemDictionary::serializable_klass();
+         || k == SystemDictionary::Serializable_klass();
 }
 
 

hotspot/src/share/vm/oops/arrayKlass.hpp

@@ -67,7 +67,7 @@ class arrayKlass: public Klass {
   // Compiler/Interpreter offset
   static ByteSize component_mirror_offset() { return byte_offset_of(arrayKlass, _component_mirror); }
 
-  virtual klassOop java_super() const;//{ return SystemDictionary::object_klass(); }
+  virtual klassOop java_super() const;//{ return SystemDictionary::Object_klass(); }
 
   // Allocation
   // Sizes points to the first dimension of the array, subsequent dimensions

hotspot/src/share/vm/oops/constMethodOop.hpp

@@ -258,6 +258,11 @@ public:
   LocalVariableTableElement* localvariable_table_start() const;
 
   // byte codes
+  void    set_code(address code) {
+    if (code_size() > 0) {
+      memcpy(code_base(), code, code_size());
+    }
+  }
   address code_base() const            { return (address) (this+1); }
   address code_end() const             { return code_base() + code_size(); }
   bool    contains(address bcp) const  { return code_base() <= bcp

hotspot/src/share/vm/oops/constantPoolOop.cpp

@@ -110,7 +110,7 @@ klassOop constantPoolOopDesc::klass_at_impl(constantPoolHandle this_oop, int whi
         }
 
         if (!PENDING_EXCEPTION->
-              is_a(SystemDictionary::linkageError_klass())) {
+              is_a(SystemDictionary::LinkageError_klass())) {
           // Just throw the exception and don't prevent these classes from
           // being loaded due to virtual machine errors like StackOverflow
           // and OutOfMemoryError, etc, or if the thread was hit by stop()

hotspot/src/share/vm/oops/constantPoolOop.hpp

@@ -191,6 +191,16 @@ class constantPoolOopDesc : public oopDesc {
     }
   }
 
+  void object_at_put(int which, oop str) {
+    oop_store((volatile oop*) obj_at_addr(which), str);
+    release_tag_at_put(which, JVM_CONSTANT_Object);
+    if (UseConcMarkSweepGC) {
+      // In case the earlier card-mark was consumed by a concurrent
+      // marking thread before the tag was updated, redirty the card.
+      oop_store_without_check((volatile oop*) obj_at_addr(which), str);
+    }
+  }
+
   // For temporary use while constructing constant pool
   void string_index_at_put(int which, int string_index) {
     tag_at_put(which, JVM_CONSTANT_StringIndex);
@@ -228,7 +238,8 @@ class constantPoolOopDesc : public oopDesc {
       tag.is_unresolved_klass() ||
       tag.is_symbol() ||
       tag.is_unresolved_string() ||
-      tag.is_string();
+      tag.is_string() ||
+      tag.is_object();
   }
 
   // Fetching constants
@@ -291,6 +302,11 @@ class constantPoolOopDesc : public oopDesc {
     return string_at_impl(h_this, which, CHECK_NULL);
   }
 
+  oop object_at(int which) {
+    assert(tag_at(which).is_object(), "Corrupted constant pool");
+    return *obj_at_addr(which);
+  }
+
   // A "pseudo-string" is an non-string oop that has found is way into
   // a String entry.
   // Under AnonymousClasses this can happen if the user patches a live

hotspot/src/share/vm/oops/generateOopMap.cpp

@@ -1556,13 +1556,13 @@ void GenerateOopMap::interp1(BytecodeStream *itr) {
     case Bytecodes::_getfield:          do_field(true,  false, itr->get_index_big(), itr->bci()); break;
     case Bytecodes::_putfield:          do_field(false, false, itr->get_index_big(), itr->bci()); break;
 
-   case Bytecodes::_invokevirtual:
+    case Bytecodes::_invokevirtual:
-   case Bytecodes::_invokespecial:     do_method(false, false, itr->get_index_big(), itr->bci()); break;
+    case Bytecodes::_invokespecial:     do_method(false, false, itr->get_index_big(), itr->bci()); break;
-   case Bytecodes::_invokestatic:      do_method(true,  false, itr->get_index_big(), itr->bci()); break;
+    case Bytecodes::_invokestatic:      do_method(true,  false, itr->get_index_big(), itr->bci()); break;
     case Bytecodes::_invokedynamic:     do_method(true,  false, itr->get_index_int(), itr->bci()); break;
-   case Bytecodes::_invokeinterface:   do_method(false, true,  itr->get_index_big(), itr->bci()); break;
+    case Bytecodes::_invokeinterface:   do_method(false, true,  itr->get_index_big(), itr->bci()); break;
-   case Bytecodes::_newarray:
+    case Bytecodes::_newarray:
-   case Bytecodes::_anewarray:         pp_new_ref(vCTS, itr->bci()); break;
+    case Bytecodes::_anewarray:         pp_new_ref(vCTS, itr->bci()); break;
     case Bytecodes::_checkcast:         do_checkcast(); break;
     case Bytecodes::_arraylength:
     case Bytecodes::_instanceof:        pp(rCTS, vCTS); break;
@@ -1830,12 +1830,8 @@ void GenerateOopMap::do_jsr(int targ_bci) {
 
 
 void GenerateOopMap::do_ldc(int idx, int bci) {
-  constantPoolOop cp = method()->constants();
+  constantPoolOop cp  = method()->constants();
-  constantTag tag    = cp->tag_at(idx);
+  CellTypeState   cts = cp->is_pointer_entry(idx) ? CellTypeState::make_line_ref(bci) : valCTS;
-
-  CellTypeState cts = (tag.is_string() || tag.is_unresolved_string() ||
-                       tag.is_klass()  || tag.is_unresolved_klass())
-                    ? CellTypeState::make_line_ref(bci) : valCTS;
   ppush1(cts);
 }
 

hotspot/src/share/vm/oops/instanceKlass.cpp

@@ -383,7 +383,7 @@ void instanceKlass::initialize_impl(instanceKlassHandle this_oop, TRAPS) {
       this_oop->set_initialization_state_and_notify(initialization_error, THREAD);
       CLEAR_PENDING_EXCEPTION;   // ignore any exception thrown, class initialization error is thrown below
     }
-    if (e->is_a(SystemDictionary::error_klass())) {
+    if (e->is_a(SystemDictionary::Error_klass())) {
       THROW_OOP(e());
     } else {
       JavaCallArguments args(e);
@@ -568,7 +568,7 @@ void instanceKlass::check_valid_for_instantiation(bool throwError, TRAPS) {
     THROW_MSG(throwError ? vmSymbols::java_lang_InstantiationError()
               : vmSymbols::java_lang_InstantiationException(), external_name());
   }
-  if (as_klassOop() == SystemDictionary::class_klass()) {
+  if (as_klassOop() == SystemDictionary::Class_klass()) {
     ResourceMark rm(THREAD);
     THROW_MSG(throwError ? vmSymbols::java_lang_IllegalAccessError()
               : vmSymbols::java_lang_IllegalAccessException(), external_name());
@@ -2225,7 +2225,7 @@ void FieldPrinter::do_field(fieldDescriptor* fd) {
 void instanceKlass::oop_print_on(oop obj, outputStream* st) {
   Klass::oop_print_on(obj, st);
 
-  if (as_klassOop() == SystemDictionary::string_klass()) {
+  if (as_klassOop() == SystemDictionary::String_klass()) {
     typeArrayOop value  = java_lang_String::value(obj);
     juint        offset = java_lang_String::offset(obj);
     juint        length = java_lang_String::length(obj);
@@ -2245,7 +2245,7 @@ void instanceKlass::oop_print_on(oop obj, outputStream* st) {
   FieldPrinter print_nonstatic_field(st, obj);
   do_nonstatic_fields(&print_nonstatic_field);
 
-  if (as_klassOop() == SystemDictionary::class_klass()) {
+  if (as_klassOop() == SystemDictionary::Class_klass()) {
     st->print(BULLET"signature: ");
     java_lang_Class::print_signature(obj, st);
     st->cr();
@@ -2272,7 +2272,7 @@ void instanceKlass::oop_print_value_on(oop obj, outputStream* st) {
   st->print("a ");
   name()->print_value_on(st);
   obj->print_address_on(st);
-  if (as_klassOop() == SystemDictionary::string_klass()
+  if (as_klassOop() == SystemDictionary::String_klass()
       && java_lang_String::value(obj) != NULL) {
     ResourceMark rm;
     int len = java_lang_String::length(obj);
@@ -2281,7 +2281,7 @@ void instanceKlass::oop_print_value_on(oop obj, outputStream* st) {
     st->print(" = \"%s\"", str);
     if (len > plen)
       st->print("...[%d]", len);
-  } else if (as_klassOop() == SystemDictionary::class_klass()) {
+  } else if (as_klassOop() == SystemDictionary::Class_klass()) {
     klassOop k = java_lang_Class::as_klassOop(obj);
     st->print(" = ");
     if (k != NULL) {
@@ -2348,7 +2348,7 @@ void instanceKlass::verify_class_klass_nonstatic_oop_maps(klassOop k) {
 
     // Check that we have the right class
     static bool first_time = true;
-    guarantee(k == SystemDictionary::class_klass() && first_time, "Invalid verify of maps");
+    guarantee(k == SystemDictionary::Class_klass() && first_time, "Invalid verify of maps");
     first_time = false;
     const int extra = java_lang_Class::number_of_fake_oop_fields;
     guarantee(ik->nonstatic_field_size() == extra, "just checking");

hotspot/src/share/vm/oops/instanceRefKlass.cpp

@@ -397,7 +397,7 @@ void instanceRefKlass::update_nonstatic_oop_maps(klassOop k) {
 
   // Check that we have the right class
   debug_only(static bool first_time = true);
-  assert(k == SystemDictionary::reference_klass() && first_time,
+  assert(k == SystemDictionary::Reference_klass() && first_time,
          "Invalid update of maps");
   debug_only(first_time = false);
   assert(ik->nonstatic_oop_map_count() == 1, "just checking");

hotspot/src/share/vm/oops/klass.cpp

@@ -217,8 +217,8 @@ void Klass::initialize_supers(klassOop k, TRAPS) {
     set_super(NULL);
     oop_store_without_check((oop*) &_primary_supers[0], (oop) this->as_klassOop());
     assert(super_depth() == 0, "Object must already be initialized properly");
-  } else if (k != super() || k == SystemDictionary::object_klass()) {
+  } else if (k != super() || k == SystemDictionary::Object_klass()) {
-    assert(super() == NULL || super() == SystemDictionary::object_klass(),
+    assert(super() == NULL || super() == SystemDictionary::Object_klass(),
            "initialize this only once to a non-trivial value");
     set_super(k);
     Klass* sup = k->klass_part();
@@ -370,7 +370,7 @@ void Klass::append_to_sibling_list() {
 void Klass::remove_from_sibling_list() {
   // remove receiver from sibling list
   instanceKlass* super = superklass();
-  assert(super != NULL || as_klassOop() == SystemDictionary::object_klass(), "should have super");
+  assert(super != NULL || as_klassOop() == SystemDictionary::Object_klass(), "should have super");
   if (super == NULL) return;        // special case: class Object
   if (super->subklass() == this) {
     // first subklass

hotspot/src/share/vm/oops/methodOop.cpp

@@ -456,12 +456,12 @@ objArrayHandle methodOopDesc::resolved_checked_exceptions_impl(methodOop this_oo
     return objArrayHandle(THREAD, Universe::the_empty_class_klass_array());
   } else {
     methodHandle h_this(THREAD, this_oop);
-    objArrayOop m_oop = oopFactory::new_objArray(SystemDictionary::class_klass(), length, CHECK_(objArrayHandle()));
+    objArrayOop m_oop = oopFactory::new_objArray(SystemDictionary::Class_klass(), length, CHECK_(objArrayHandle()));
     objArrayHandle mirrors (THREAD, m_oop);
     for (int i = 0; i < length; i++) {
       CheckedExceptionElement* table = h_this->checked_exceptions_start(); // recompute on each iteration, not gc safe
       klassOop k = h_this->constants()->klass_at(table[i].class_cp_index, CHECK_(objArrayHandle()));
-      assert(Klass::cast(k)->is_subclass_of(SystemDictionary::throwable_klass()), "invalid exception class");
+      assert(Klass::cast(k)->is_subclass_of(SystemDictionary::Throwable_klass()), "invalid exception class");
       mirrors->obj_at_put(i, Klass::cast(k)->java_mirror());
     }
     return mirrors;
@@ -1032,8 +1032,8 @@ bool methodOopDesc::load_signature_classes(methodHandle m, TRAPS) {
       // We are loading classes eagerly. If a ClassNotFoundException or
       // a LinkageError was generated, be sure to ignore it.
       if (HAS_PENDING_EXCEPTION) {
-        if (PENDING_EXCEPTION->is_a(SystemDictionary::classNotFoundException_klass()) ||
+        if (PENDING_EXCEPTION->is_a(SystemDictionary::ClassNotFoundException_klass()) ||
-            PENDING_EXCEPTION->is_a(SystemDictionary::linkageError_klass())) {
+            PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) {
           CLEAR_PENDING_EXCEPTION;
         } else {
           return false;

hotspot/src/share/vm/oops/methodOop.hpp

@@ -365,6 +365,7 @@ class methodOopDesc : public oopDesc {
 #endif
 
   // byte codes
+  void    set_code(address code)      { return constMethod()->set_code(code); }
   address code_base() const           { return constMethod()->code_base(); }
   bool    contains(address bcp) const { return constMethod()->contains(bcp); }
 

hotspot/src/share/vm/oops/objArrayKlass.cpp

@@ -246,8 +246,8 @@ objArrayOop objArrayKlass::compute_secondary_supers(int num_extra_slots, TRAPS)
   } else {
     objArrayOop sec_oop = oopFactory::new_system_objArray(num_secondaries, CHECK_NULL);
     objArrayHandle secondaries(THREAD, sec_oop);
-    secondaries->obj_at_put(num_extra_slots+0, SystemDictionary::cloneable_klass());
+    secondaries->obj_at_put(num_extra_slots+0, SystemDictionary::Cloneable_klass());
-    secondaries->obj_at_put(num_extra_slots+1, SystemDictionary::serializable_klass());
+    secondaries->obj_at_put(num_extra_slots+1, SystemDictionary::Serializable_klass());
     for (int i = 0; i < num_elem_supers; i++) {
       klassOop elem_super = (klassOop) elem_supers->obj_at(i);
       klassOop array_super = elem_super->klass_part()->array_klass_or_null();

hotspot/src/share/vm/oops/objArrayKlassKlass.cpp

@@ -99,7 +99,7 @@ klassOop objArrayKlassKlass::allocate_objArray_klass_impl(objArrayKlassKlassHand
       }
     } else {
       // The element type is already Object.  Object[] has direct super of Object.
-      super_klass = KlassHandle(THREAD, SystemDictionary::object_klass());
+      super_klass = KlassHandle(THREAD, SystemDictionary::Object_klass());
     }
   }
 

hotspot/src/share/vm/oops/symbolOop.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 1997-2005 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1997-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,11 @@
 # include "incls/_precompiled.incl"
 # include "incls/_symbolOop.cpp.incl"
 
+
+// ------------------------------------------------------------------
+// symbolOopDesc::equals
+//
+// Compares the symbol with a string of the given length.
 bool symbolOopDesc::equals(const char* str, int len) const {
   int l = utf8_length();
   if (l != len) return false;
@@ -36,6 +41,48 @@ bool symbolOopDesc::equals(const char* str, int len) const {
   return true;
 }
 
+
+// ------------------------------------------------------------------
+// symbolOopDesc::starts_with
+//
+// Tests if the symbol starts with the specified prefix of the given
+// length.
+bool symbolOopDesc::starts_with(const char* prefix, int len) const {
+  if (len > utf8_length()) return false;
+  while (len-- > 0) {
+    if (prefix[len] != (char) byte_at(len))
+      return false;
+  }
+  assert(len == -1, "we should be at the beginning");
+  return true;
+}
+
+
+// ------------------------------------------------------------------
+// symbolOopDesc::index_of
+//
+// Finds if the given string is a substring of this symbol's utf8 bytes.
+// Return -1 on failure.  Otherwise return the first index where str occurs.
+int symbolOopDesc::index_of_at(int i, const char* str, int len) const {
+  assert(i >= 0 && i <= utf8_length(), "oob");
+  if (len <= 0)  return 0;
+  char first_char = str[0];
+  address bytes = (address) ((symbolOopDesc*)this)->base();
+  address limit = bytes + utf8_length() - len;  // inclusive limit
+  address scan = bytes + i;
+  if (scan > limit)
+    return -1;
+  for (;;) {
+    scan = (address) memchr(scan, first_char, (limit + 1 - scan));
+    if (scan == NULL)
+      return -1;  // not found
+    assert(scan >= bytes+i && scan <= limit, "scan oob");
+    if (memcmp(scan, str, len) == 0)
+      return (int)(scan - bytes);
+  }
+}
+
+
 char* symbolOopDesc::as_C_string(char* buf, int size) const {
   if (size > 0) {
     int len = MIN2(size - 1, utf8_length());

hotspot/src/share/vm/oops/symbolOop.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 1997-2005 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1997-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -70,8 +70,21 @@ class symbolOopDesc : public oopDesc {
 
   void set_utf8_length(int len) { _length = len; }
 
-  // Compares the symbol with a string
+  // Compares the symbol with a string.
   bool equals(const char* str, int len) const;
+  bool equals(const char* str) const { return equals(str, (int) strlen(str)); }
+
+  // Tests if the symbol starts with the given prefix.
+  bool starts_with(const char* prefix, int len) const;
+  bool starts_with(const char* prefix) const {
+    return starts_with(prefix, (int) strlen(prefix));
+  }
+
+  // Tests if the symbol starts with the given prefix.
+  int index_of_at(int i, const char* str, int len) const;
+  int index_of_at(int i, const char* str) const {
+    return index_of_at(i, str, (int) strlen(str));
+  }
 
   // Three-way compare for sorting; returns -1/0/1 if receiver is </==/> than arg
   // note that the ordering is not alfabetical

hotspot/src/share/vm/opto/bytecodeInfo.cpp

@@ -180,6 +180,10 @@ const char* InlineTree::shouldNotInline(ciMethod *callee_method, ciMethod* calle
     return NULL;
   }
 
+  // Always inline MethodHandle methods.
+  if (callee_method->is_method_handle_invoke())
+    return NULL;
+
   // First check all inlining restrictions which are required for correctness
   if (callee_method->is_abstract())               return "abstract method";
   // note: we allow ik->is_abstract()
@@ -322,14 +326,17 @@ bool pass_initial_checks(ciMethod* caller_method, int caller_bci, ciMethod* call
     // stricter than callee_holder->is_initialized()
     ciBytecodeStream iter(caller_method);
     iter.force_bci(caller_bci);
-    int index = iter.get_index_int();
-    if( !caller_method->is_klass_loaded(index, true) ) {
-      return false;
-    }
-    // Try to do constant pool resolution if running Xcomp
     Bytecodes::Code call_bc = iter.cur_bc();
-    if( !caller_method->check_call(index, call_bc == Bytecodes::_invokestatic) ) {
+    // An invokedynamic instruction does not have a klass.
-      return false;
+    if (call_bc != Bytecodes::_invokedynamic) {
+      int index = iter.get_index_int();
+      if (!caller_method->is_klass_loaded(index, true)) {
+        return false;
+      }
+      // Try to do constant pool resolution if running Xcomp
+      if( !caller_method->check_call(index, call_bc == Bytecodes::_invokestatic) ) {
+        return false;
+      }
     }
   }
   // We will attempt to see if a class/field/etc got properly loaded.  If it

hotspot/src/share/vm/opto/callGenerator.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 2000-2009 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -136,6 +136,8 @@ JVMState* DirectCallGenerator::generate(JVMState* jvms) {
     }
     // Mark the call node as virtual, sort of:
     call->set_optimized_virtual(true);
+    if (method()->is_method_handle_invoke())
+      call->set_method_handle_invoke(true);
   }
   kit.set_arguments_for_java_call(call);
   kit.set_edges_for_java_call(call, false, _separate_io_proj);
@@ -145,6 +147,71 @@ JVMState* DirectCallGenerator::generate(JVMState* jvms) {
   return kit.transfer_exceptions_into_jvms();
 }
 
+//---------------------------DynamicCallGenerator-----------------------------
+// Internal class which handles all out-of-line invokedynamic calls.
+class DynamicCallGenerator : public CallGenerator {
+public:
+  DynamicCallGenerator(ciMethod* method)
+    : CallGenerator(method)
+  {
+  }
+  virtual JVMState* generate(JVMState* jvms);
+};
+
+JVMState* DynamicCallGenerator::generate(JVMState* jvms) {
+  GraphKit kit(jvms);
+
+  if (kit.C->log() != NULL) {
+    kit.C->log()->elem("dynamic_call bci='%d'", jvms->bci());
+  }
+
+  // Get the constant pool cache from the caller class.
+  ciMethod* caller_method = jvms->method();
+  ciBytecodeStream str(caller_method);
+  str.force_bci(jvms->bci());  // Set the stream to the invokedynamic bci.
+  assert(str.cur_bc() == Bytecodes::_invokedynamic, "wrong place to issue a dynamic call!");
+  ciCPCache* cpcache = str.get_cpcache();
+
+  // Get the offset of the CallSite from the constant pool cache
+  // pointer.
+  int index = str.get_method_index();
+  size_t call_site_offset = cpcache->get_f1_offset(index);
+
+  // Load the CallSite object from the constant pool cache.
+  const TypeOopPtr* cpcache_ptr = TypeOopPtr::make_from_constant(cpcache);
+  Node* cpcache_adr = kit.makecon(cpcache_ptr);
+  Node* call_site_adr = kit.basic_plus_adr(cpcache_adr, cpcache_adr, call_site_offset);
+  Node* call_site = kit.make_load(kit.control(), call_site_adr, TypeInstPtr::BOTTOM, T_OBJECT, Compile::AliasIdxRaw);
+
+  // Load the target MethodHandle from the CallSite object.
+  Node* target_mh_adr = kit.basic_plus_adr(call_site, call_site, java_dyn_CallSite::target_offset_in_bytes());
+  Node* target_mh = kit.make_load(kit.control(), target_mh_adr, TypeInstPtr::BOTTOM, T_OBJECT);
+
+  address resolve_stub = SharedRuntime::get_resolve_opt_virtual_call_stub();
+
+  CallStaticJavaNode *call = new (kit.C, tf()->domain()->cnt()) CallStaticJavaNode(tf(), resolve_stub, method(), kit.bci());
+  // invokedynamic is treated as an optimized invokevirtual.
+  call->set_optimized_virtual(true);
+  // Take extra care (in the presence of argument motion) not to trash the SP:
+  call->set_method_handle_invoke(true);
+
+  // Pass the target MethodHandle as first argument and shift the
+  // other arguments.
+  call->init_req(0 + TypeFunc::Parms, target_mh);
+  uint nargs = call->method()->arg_size();
+  for (uint i = 1; i < nargs; i++) {
+    Node* arg = kit.argument(i - 1);
+    call->init_req(i + TypeFunc::Parms, arg);
+  }
+
+  kit.set_edges_for_java_call(call);
+  Node* ret = kit.set_results_for_java_call(call);
+  kit.push_node(method()->return_type()->basic_type(), ret);
+  return kit.transfer_exceptions_into_jvms();
+}
+
+//--------------------------VirtualCallGenerator------------------------------
+// Internal class which handles all out-of-line calls checking receiver type.
 class VirtualCallGenerator : public CallGenerator {
 private:
   int _vtable_index;
@@ -159,8 +226,6 @@ public:
   virtual JVMState* generate(JVMState* jvms);
 };
 
-//--------------------------VirtualCallGenerator------------------------------
-// Internal class which handles all out-of-line calls checking receiver type.
 JVMState* VirtualCallGenerator::generate(JVMState* jvms) {
   GraphKit kit(jvms);
   Node* receiver = kit.argument(0);
@@ -253,8 +318,14 @@ CallGenerator* CallGenerator::for_direct_call(ciMethod* m, bool separate_io_proj
   return new DirectCallGenerator(m, separate_io_proj);
 }
 
+CallGenerator* CallGenerator::for_dynamic_call(ciMethod* m) {
+  assert(m->is_method_handle_invoke(), "for_dynamic_call mismatch");
+  return new DynamicCallGenerator(m);
+}
+
 CallGenerator* CallGenerator::for_virtual_call(ciMethod* m, int vtable_index) {
   assert(!m->is_static(), "for_virtual_call mismatch");
+  assert(!m->is_method_handle_invoke(), "should be a direct call");
   return new VirtualCallGenerator(m, vtable_index);
 }
 
@@ -576,6 +647,155 @@ JVMState* PredictedCallGenerator::generate(JVMState* jvms) {
 }
 
 
+//------------------------PredictedDynamicCallGenerator-----------------------
+// Internal class which handles all out-of-line calls checking receiver type.
+class PredictedDynamicCallGenerator : public CallGenerator {
+  ciMethodHandle* _predicted_method_handle;
+  CallGenerator*  _if_missed;
+  CallGenerator*  _if_hit;
+  float           _hit_prob;
+
+public:
+  PredictedDynamicCallGenerator(ciMethodHandle* predicted_method_handle,
+                                CallGenerator* if_missed,
+                                CallGenerator* if_hit,
+                                float hit_prob)
+    : CallGenerator(if_missed->method()),
+      _predicted_method_handle(predicted_method_handle),
+      _if_missed(if_missed),
+      _if_hit(if_hit),
+      _hit_prob(hit_prob)
+  {}
+
+  virtual bool is_inline()   const { return _if_hit->is_inline(); }
+  virtual bool is_deferred() const { return _if_hit->is_deferred(); }
+
+  virtual JVMState* generate(JVMState* jvms);
+};
+
+
+CallGenerator* CallGenerator::for_predicted_dynamic_call(ciMethodHandle* predicted_method_handle,
+                                                         CallGenerator* if_missed,
+                                                         CallGenerator* if_hit,
+                                                         float hit_prob) {
+  return new PredictedDynamicCallGenerator(predicted_method_handle, if_missed, if_hit, hit_prob);
+}
+
+
+JVMState* PredictedDynamicCallGenerator::generate(JVMState* jvms) {
+  GraphKit kit(jvms);
+  PhaseGVN& gvn = kit.gvn();
+
+  CompileLog* log = kit.C->log();
+  if (log != NULL) {
+    log->elem("predicted_dynamic_call bci='%d'", jvms->bci());
+  }
+
+  // Get the constant pool cache from the caller class.
+  ciMethod* caller_method = jvms->method();
+  ciBytecodeStream str(caller_method);
+  str.force_bci(jvms->bci());  // Set the stream to the invokedynamic bci.
+  ciCPCache* cpcache = str.get_cpcache();
+
+  // Get the offset of the CallSite from the constant pool cache
+  // pointer.
+  int index = str.get_method_index();
+  size_t call_site_offset = cpcache->get_f1_offset(index);
+
+  // Load the CallSite object from the constant pool cache.
+  const TypeOopPtr* cpcache_ptr = TypeOopPtr::make_from_constant(cpcache);
+  Node* cpcache_adr   = kit.makecon(cpcache_ptr);
+  Node* call_site_adr = kit.basic_plus_adr(cpcache_adr, cpcache_adr, call_site_offset);
+  Node* call_site     = kit.make_load(kit.control(), call_site_adr, TypeInstPtr::BOTTOM, T_OBJECT, Compile::AliasIdxRaw);
+
+  // Load the target MethodHandle from the CallSite object.
+  Node* target_adr = kit.basic_plus_adr(call_site, call_site, java_dyn_CallSite::target_offset_in_bytes());
+  Node* target_mh  = kit.make_load(kit.control(), target_adr, TypeInstPtr::BOTTOM, T_OBJECT);
+
+  // Check if the MethodHandle is still the same.
+  const TypeOopPtr* predicted_mh_ptr = TypeOopPtr::make_from_constant(_predicted_method_handle, true);
+  Node* predicted_mh = kit.makecon(predicted_mh_ptr);
+
+  Node* cmp = gvn.transform(new(kit.C, 3) CmpPNode(target_mh, predicted_mh));
+  Node* bol = gvn.transform(new(kit.C, 2) BoolNode(cmp, BoolTest::eq) );
+  IfNode* iff = kit.create_and_xform_if(kit.control(), bol, _hit_prob, COUNT_UNKNOWN);
+  kit.set_control( gvn.transform(new(kit.C, 1) IfTrueNode (iff)));
+  Node* slow_ctl = gvn.transform(new(kit.C, 1) IfFalseNode(iff));
+
+  SafePointNode* slow_map = NULL;
+  JVMState* slow_jvms;
+  { PreserveJVMState pjvms(&kit);
+    kit.set_control(slow_ctl);
+    if (!kit.stopped()) {
+      slow_jvms = _if_missed->generate(kit.sync_jvms());
+      assert(slow_jvms != NULL, "miss path must not fail to generate");
+      kit.add_exception_states_from(slow_jvms);
+      kit.set_map(slow_jvms->map());
+      if (!kit.stopped())
+        slow_map = kit.stop();
+    }
+  }
+
+  if (kit.stopped()) {
+    // Instance exactly does not matches the desired type.
+    kit.set_jvms(slow_jvms);
+    return kit.transfer_exceptions_into_jvms();
+  }
+
+  // Make the hot call:
+  JVMState* new_jvms = _if_hit->generate(kit.sync_jvms());
+  if (new_jvms == NULL) {
+    // Inline failed, so make a direct call.
+    assert(_if_hit->is_inline(), "must have been a failed inline");
+    CallGenerator* cg = CallGenerator::for_direct_call(_if_hit->method());
+    new_jvms = cg->generate(kit.sync_jvms());
+  }
+  kit.add_exception_states_from(new_jvms);
+  kit.set_jvms(new_jvms);
+
+  // Need to merge slow and fast?
+  if (slow_map == NULL) {
+    // The fast path is the only path remaining.
+    return kit.transfer_exceptions_into_jvms();
+  }
+
+  if (kit.stopped()) {
+    // Inlined method threw an exception, so it's just the slow path after all.
+    kit.set_jvms(slow_jvms);
+    return kit.transfer_exceptions_into_jvms();
+  }
+
+  // Finish the diamond.
+  kit.C->set_has_split_ifs(true); // Has chance for split-if optimization
+  RegionNode* region = new (kit.C, 3) RegionNode(3);
+  region->init_req(1, kit.control());
+  region->init_req(2, slow_map->control());
+  kit.set_control(gvn.transform(region));
+  Node* iophi = PhiNode::make(region, kit.i_o(), Type::ABIO);
+  iophi->set_req(2, slow_map->i_o());
+  kit.set_i_o(gvn.transform(iophi));
+  kit.merge_memory(slow_map->merged_memory(), region, 2);
+  uint tos = kit.jvms()->stkoff() + kit.sp();
+  uint limit = slow_map->req();
+  for (uint i = TypeFunc::Parms; i < limit; i++) {
+    // Skip unused stack slots; fast forward to monoff();
+    if (i == tos) {
+      i = kit.jvms()->monoff();
+      if( i >= limit ) break;
+    }
+    Node* m = kit.map()->in(i);
+    Node* n = slow_map->in(i);
+    if (m != n) {
+      const Type* t = gvn.type(m)->meet(gvn.type(n));
+      Node* phi = PhiNode::make(region, m, t);
+      phi->set_req(2, n);
+      kit.map()->set_req(i, gvn.transform(phi));
+    }
+  }
+  return kit.transfer_exceptions_into_jvms();
+}
+
+
 //-------------------------UncommonTrapCallGenerator-----------------------------
 // Internal class which handles all out-of-line calls checking receiver type.
 class UncommonTrapCallGenerator : public CallGenerator {

hotspot/src/share/vm/opto/callGenerator.hpp

@@ -100,6 +100,7 @@ class CallGenerator : public ResourceObj {
 
   // How to generate vanilla out-of-line call sites:
   static CallGenerator* for_direct_call(ciMethod* m, bool separate_io_projs = false);   // static, special
+  static CallGenerator* for_dynamic_call(ciMethod* m);   // invokedynamic
   static CallGenerator* for_virtual_call(ciMethod* m, int vtable_index);  // virtual, interface
 
   // How to generate a replace a direct call with an inline version
@@ -116,6 +117,12 @@ class CallGenerator : public ResourceObj {
                                            CallGenerator* if_hit,
                                            float hit_prob);
 
+  // How to make a call that optimistically assumes a MethodHandle target:
+  static CallGenerator* for_predicted_dynamic_call(ciMethodHandle* predicted_method_handle,
+                                                   CallGenerator* if_missed,
+                                                   CallGenerator* if_hit,
+                                                   float hit_prob);
+
   // How to make a call that gives up and goes back to the interpreter:
   static CallGenerator* for_uncommon_trap(ciMethod* m,
                                           Deoptimization::DeoptReason reason,

hotspot/src/share/vm/opto/callnode.hpp

@@ -562,12 +562,15 @@ protected:
   virtual uint size_of() const; // Size is bigger
 
   bool    _optimized_virtual;
+  bool    _method_handle_invoke;
   ciMethod* _method;            // Method being direct called
 public:
   const int       _bci;         // Byte Code Index of call byte code
   CallJavaNode(const TypeFunc* tf , address addr, ciMethod* method, int bci)
     : CallNode(tf, addr, TypePtr::BOTTOM),
-      _method(method), _bci(bci), _optimized_virtual(false)
+      _method(method), _bci(bci),
+      _optimized_virtual(false),
+      _method_handle_invoke(false)
   {
     init_class_id(Class_CallJava);
   }
@@ -577,6 +580,8 @@ public:
   void  set_method(ciMethod *m)           { _method = m; }
   void  set_optimized_virtual(bool f)     { _optimized_virtual = f; }
   bool  is_optimized_virtual() const      { return _optimized_virtual; }
+  void  set_method_handle_invoke(bool f)  { _method_handle_invoke = f; }
+  bool  is_method_handle_invoke() const   { return _method_handle_invoke; }
 
 #ifndef PRODUCT
   virtual void  dump_spec(outputStream *st) const;

hotspot/src/share/vm/opto/doCall.cpp

@@ -224,6 +224,57 @@ CallGenerator* Compile::call_generator(ciMethod* call_method, int vtable_index,
     }
   }
 
+  // Do MethodHandle calls.
+  if (call_method->is_method_handle_invoke()) {
+    if (jvms->method()->java_code_at_bci(jvms->bci()) != Bytecodes::_invokedynamic) {
+      GraphKit kit(jvms);
+      Node* n = kit.argument(0);
+
+      if (n->Opcode() == Op_ConP) {
+        const TypeOopPtr* oop_ptr = n->bottom_type()->is_oopptr();
+        ciObject* const_oop = oop_ptr->const_oop();
+        ciMethodHandle* method_handle = const_oop->as_method_handle();
+
+        // Set the actually called method to have access to the class
+        // and signature in the MethodHandleCompiler.
+        method_handle->set_callee(call_method);
+
+        // Get an adapter for the MethodHandle.
+        ciMethod* target_method = method_handle->get_method_handle_adapter();
+
+        CallGenerator* hit_cg = this->call_generator(target_method, vtable_index, false, jvms, true, prof_factor);
+        if (hit_cg != NULL && hit_cg->is_inline())
+          return hit_cg;
+      }
+
+      return CallGenerator::for_direct_call(call_method);
+    }
+    else {
+      // Get the MethodHandle from the CallSite.
+      ciMethod* caller_method = jvms->method();
+      ciBytecodeStream str(caller_method);
+      str.force_bci(jvms->bci());  // Set the stream to the invokedynamic bci.
+      ciCallSite*     call_site     = str.get_call_site();
+      ciMethodHandle* method_handle = call_site->get_target();
+
+      // Set the actually called method to have access to the class
+      // and signature in the MethodHandleCompiler.
+      method_handle->set_callee(call_method);
+
+      // Get an adapter for the MethodHandle.
+      ciMethod* target_method = method_handle->get_invokedynamic_adapter();
+
+      CallGenerator* hit_cg = this->call_generator(target_method, vtable_index, false, jvms, true, prof_factor);
+      if (hit_cg != NULL && hit_cg->is_inline()) {
+        CallGenerator* miss_cg = CallGenerator::for_dynamic_call(call_method);
+        return CallGenerator::for_predicted_dynamic_call(method_handle, miss_cg, hit_cg, prof_factor);
+      }
+
+      // If something failed, generate a normal dynamic call.
+      return CallGenerator::for_dynamic_call(call_method);
+    }
+  }
+
   // There was no special inlining tactic, or it bailed out.
   // Use a more generic tactic, like a simple call.
   if (call_is_virtual) {
@@ -299,7 +350,7 @@ bool Parse::can_not_compile_call_site(ciMethod *dest_method, ciInstanceKlass* kl
   // Interface classes can be loaded & linked and never get around to
   // being initialized.  Uncommon-trap for not-initialized static or
   // v-calls.  Let interface calls happen.
-  ciInstanceKlass* holder_klass  = dest_method->holder();
+  ciInstanceKlass* holder_klass = dest_method->holder();
   if (!holder_klass->is_initialized() &&
       !holder_klass->is_interface()) {
     uncommon_trap(Deoptimization::Reason_uninitialized,
@@ -307,14 +358,6 @@ bool Parse::can_not_compile_call_site(ciMethod *dest_method, ciInstanceKlass* kl
                   holder_klass);
     return true;
   }
-  if (dest_method->is_method_handle_invoke()
-      && holder_klass->name() == ciSymbol::java_dyn_Dynamic()) {
-    // FIXME: NYI
-    uncommon_trap(Deoptimization::Reason_unhandled,
-                  Deoptimization::Action_none,
-                  holder_klass);
-    return true;
-  }
 
   assert(dest_method->will_link(method()->holder(), klass, bc()), "dest_method: typeflow responsibility");
   return false;
@@ -333,6 +376,7 @@ void Parse::do_call() {
   bool is_virtual = bc() == Bytecodes::_invokevirtual;
   bool is_virtual_or_interface = is_virtual || bc() == Bytecodes::_invokeinterface;
   bool has_receiver = is_virtual_or_interface || bc() == Bytecodes::_invokespecial;
+  bool is_invokedynamic = bc() == Bytecodes::_invokedynamic;
 
   // Find target being called
   bool             will_link;
@@ -341,7 +385,8 @@ void Parse::do_call() {
   ciKlass* holder = iter().get_declared_method_holder();
   ciInstanceKlass* klass = ciEnv::get_instance_klass_for_declared_method_holder(holder);
 
-  int   nargs    = dest_method->arg_size();
+  int nargs = dest_method->arg_size();
+  if (is_invokedynamic)  nargs -= 1;
 
   // uncommon-trap when callee is unloaded, uninitialized or will not link
   // bailout when too many arguments for register representation
@@ -355,7 +400,7 @@ void Parse::do_call() {
     return;
   }
   assert(holder_klass->is_loaded(), "");
-  assert(dest_method->is_static() == !has_receiver, "must match bc");
+  assert((dest_method->is_static() || is_invokedynamic) == !has_receiver , "must match bc");
   // Note: this takes into account invokeinterface of methods declared in java/lang/Object,
   // which should be invokevirtuals but according to the VM spec may be invokeinterfaces
   assert(holder_klass->is_interface() || holder_klass->super() == NULL || (bc() != Bytecodes::_invokeinterface), "must match bc");

hotspot/src/share/vm/opto/escape.cpp

@@ -1916,7 +1916,7 @@ void ConnectionGraph::process_call_arguments(CallNode *call, PhaseTransform *pha
           Node *arg = call->in(i)->uncast();
 
           if (at->isa_oopptr() != NULL &&
-              ptnode_adr(arg->_idx)->escape_state() < PointsToNode::ArgEscape) {
+              ptnode_adr(arg->_idx)->escape_state() < PointsToNode::GlobalEscape) {
 
             bool global_escapes = false;
             bool fields_escapes = false;

hotspot/src/share/vm/opto/graphKit.cpp

@@ -981,14 +981,19 @@ bool GraphKit::compute_stack_effects(int& inputs, int& depth) {
   case Bytecodes::_invokedynamic:
   case Bytecodes::_invokeinterface:
     {
-      bool is_static = (depth == 0);
       bool ignore;
       ciBytecodeStream iter(method());
       iter.reset_to_bci(bci());
       iter.next();
       ciMethod* method = iter.get_method(ignore);
       inputs = method->arg_size_no_receiver();
-      if (!is_static)  inputs += 1;
+      // Add a receiver argument, maybe:
+      if (code != Bytecodes::_invokestatic &&
+          code != Bytecodes::_invokedynamic)
+        inputs += 1;
+      // (Do not use ciMethod::arg_size(), because
+      // it might be an unloaded method, which doesn't
+      // know whether it is static or not.)
       int size = method->return_type()->size();
       depth = size - inputs;
     }